feat: support modal target area's updated

[MarconLP]

Changes

• updated the fields according to this doc: https://docs.google.com/document/d/1xWIuAsrk8CnrncoREJKa-j_uUi_v0kdenJAQvVcKPzo/edit
• two different target area groups under the dropdown

How did you test this code?

• manual clicking

[posthog-bot]

📸 UI snapshots have been updated

1 snapshot changes in total. 0 added, 1 modified, 0 deleted:

• chromium: 0 added, 0 modified, 0 deleted
• webkit: 0 added, 1 modified, 0 deleted (diff for shard 2)

Triggered by this commit.

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[github-actions[bot]]

Size Change: -3 B (0%)

Total Size: 814 kB

ℹ️ View Unchanged

Filename	Size	Change
frontend/dist/toolbar.js	814 kB	-3 B (0%)

_{compressed-size-action}

[Twixes]

Just as suggestion from me to remove the link to docs on severity levels, let me know what you think