Fix text alignment in Add a Network popup view

[ryanml]

Fixes: https://github.com/MetaMask/metamask-extension/issues/15356

Test plan described in issue

[metamaskbot]

Builds ready [3dc85f0]

• builds: chrome, firefox, opera
• builds (beta): chrome, firefox, opera
• builds (flask): chrome, firefox, opera
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7
  • common: 0, 1, 2, 3, 4, 5, 6, 7
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • inpage: inpage
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1709 ± 47 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	84	1693	183	347	167
		domContentLoaded	1585	1879	1686	83	40
		load	1585	1924	1709	98	47
		domInteractive	1585	1879	1686	83	40

highlights:

storybook

• ui/components/app/account-list-item/account-list-item.stories.js
• ui/components/app/add-network/add-network.stories.js
• ui/components/app/advanced-gas-controls/advanced-gas-controls.stories.js
• ui/components/app/app-header/app-header.stories.js
• ui/components/app/asset-list/detetcted-tokens-link/detected-tokens-link.stories.js
• ui/components/app/collectible-details/collectible-details.stories.js
• ui/components/app/confirm-page-container/confirm-detail-row/confirm-detail-row.stories.js
• ui/components/app/confirm-page-container/confirm-page-container-header/confirm-page-container-header.stories.js
• ui/components/app/connected-accounts-list/connected-accounts-list.stories.js
• ui/components/app/create-new-vault/create-new-vault.stories.js
• ui/components/app/currency-input/currency-input.stories.js
• ui/components/app/detected-token/detected-token-details/detected-token-details.stories.js
• ui/components/app/detected-token/detected-token-selection-popover/detected-token-selection-popover.stories.js
• ui/components/app/detected-token/detected-token-values/detected-token-values.stories.js
• ui/components/app/edit-gas-display/edit-gas-display.stories.js
• ui/components/app/edit-gas-popover/edit-gas-popover.stories.js
• ui/components/app/menu-bar/accoutn-options-menu.stories.js
• ui/components/app/metamask-template-renderer/metamask-template-renderer.stories.js
• ui/components/app/modals/confirm-remove-account/confirm-remove-account.stories.js
• ui/components/app/modals/export-private-key-modal/export-private-key-modal.stories.js
• ui/components/app/modals/hide-token-confirmation-modal/hide-token-confirmation.stories.js
• ui/components/app/network-display/network-display.stories.js
• ui/components/app/signature-request-original/signature-request-original.stories.js
• ui/components/app/signature-request-siwe/signature-request-siwe-header/signature-request-siwe-header.stories.js
• ui/components/app/signature-request-siwe/signature-request-siwe.stories.js
• ui/components/app/signature-request/signature-request-header/signature-request-header.stories.js
• ui/components/app/signature-request/signature-request.stories.js
• ui/components/app/transaction-detail/transaction-detail.stories.js
• ui/components/app/transaction-list-item/transaction-list-item.stories.js
• ui/components/app/transaction-list/transaction-list.stories.js
• ui/components/app/user-preferenced-currency-display/user-preferenced-currency-display.stories.js
• ui/components/ui/account-list/account-list.stories.js
• ui/components/ui/nickname-popover/nickname-popover.stories.js
• ui/components/ui/sender-to-recipient/sender-to-recipient.stories.js
• ui/components/ui/update-nickname-popover/update-nickname-popover.stories.js
• ui/pages/confirm-add-suggested-token/confirm-add-suggested-token.stories.js
• ui/pages/confirm-approve/confirm-approve-content/confirm-approve-content.stories.js
• ui/pages/confirm-approve/confirm-approve.stories.js
• ui/pages/confirm-deploy-contract/confirm-deploy-contract.stories.js
• ui/pages/confirm-encryption-public-key/confirm-encryption-public-key.stories.js
• ui/pages/confirm-import-token/confirm-import-token.stories.js
• ui/pages/confirm-send-ether/confirm-send-ether.stories.js
• ui/pages/confirm-send-token/confirm-send-token.stories.js
• ui/pages/confirm-token-transaction-base/confirm-token-transaction-base.stories.js
• ui/pages/confirm-transaction-base/confirm-transaction-base.stories.js
• ui/pages/connected-accounts/connected-accounts.stories.js
• ui/pages/connected-sites/connected-sites.stories.js
• ui/pages/first-time-flow/create-password/create-password.stories.js
• ui/pages/first-time-flow/seed-phrase/reveal-seed-phrase/reveal-seed-phrase.stories.js
• ui/pages/import-token/import-token.stories.js
• ui/pages/onboarding-flow/creation-successful/creation-successful.stories.js
• ui/pages/onboarding-flow/metametrics/metametrics.stories.js
• ui/pages/permissions-connect/permissions-connect.stories.js
• ui/pages/send/send-content/add-recipient/add-recipient.stories.js
• ui/pages/send/send-content/send-asset-row/send-asset-row.stories.js
• ui/pages/send/send-content/send-content.stories.js
• ui/pages/send/send-content/send-gas-row/send-gas-row.stories.js
• ui/pages/settings/contact-list-tab/contact-list-tab.stories.js
• ui/pages/settings/flask/snaps-list-tab/snap-list-tab.stories.js
• ui/pages/settings/networks-tab/networks-list-item/networks-list-item.stories.js
• ui/pages/settings/networks-tab/networks-list/network-list.stories.js
• ui/pages/settings/settings-search/settings-search.stories.js
• ui/pages/settings/settings.stories.js
• ui/pages/swaps/awaiting-signatures/awaiting-signatures.stories.js
• ui/pages/swaps/build-quote/build-quote.stories.js
• ui/pages/swaps/countdown-timer/countdown-timer.stories.js
• ui/pages/swaps/dropdown-input-pair/dropdown-input-pair.stories.js
• ui/pages/swaps/dropdown-search-list/dropdown-search-list.stories.js
• ui/pages/swaps/fee-card/fee-card.stories.js
• ui/pages/swaps/loading-swaps-quotes/loading-swap-quotes.stories.js
• ui/pages/swaps/searchable-item-list/list-item-search/list-item-search.stories.js
• ui/pages/swaps/smart-transaction-status/smart-transaction-status.stories.js