FXIOS-9386 Create and add success toast for address saving completion

[razvanlitianu]

:scroll: Tickets

Jira ticket Github issue

:bulb: Description

Show succes toast for address actions.

:pencil: Checklist

You have to check all boxes before merging

• [x] Filled in the above information (tickets numbers and description of your work)
• [x] Updated the PR name to follow our PR naming guidelines
• [ ] ~~Wrote unit tests and/or ensured the tests suite is passing~~
• [ ] ~~When working on UI, I checked and implemented accessibility (minimum Dynamic Text and VoiceOver)~~
• [ ] ~~If needed, I updated documentation / comments for complex code and public methods~~
• [ ] ~~If needed, added a backport comment (example @Mergifyio backport release/v120)~~

[mobiletest-ci-bot]

	Messages
:book:	Project coverage: 31.97%
:book:	Edited 4 files
:book:	Created 1 files

Client.app: Coverage: 30.53

File	Coverage
AddressAutofillSettingsViewController.swift	20.78%	⚠️
AddressModifiedStatus.swift	0.0%	⚠️
AddressListViewModel.swift	60.48%	✅
RemoveAddressButton.swift	0.0%	⚠️

Generated by :no_entry_sign: Danger Swift against 510e695c832db96da6bbc2264acd1111b96081fc

[razvanlitianu]

Added do not merge until the strings are in https://github.com/mozilla-mobile/firefox-ios/pull/20813

[mergify[bot]]

This pull request has conflicts when rebasing. Could you fix it @razvanlitianu? 🙏

[mergify[bot]]

This pull request has conflicts when rebasing. Could you fix it @razvanlitianu? 🙏