5507: For #1383 Added tab title to close button content description r=ekager a=mcarare
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5846: For #3604 Snackbar messages for closing tabs use closed instead of deleted r=sblatz a=mcarare
### Pull Request checklist
<!-- Before submitting the PR, please address each item -->
- [x] **Quality**: This PR builds and passes detekt/ktlint checks (A pre-push hook is recommended)
- [x] **Tests**: This PR includes thorough tests or an explanation of why it does not
- [x] **Screenshots**: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
- [x] **Accessibility**: The code in this PR follows [accessibility best practices](https://github.com/mozilla-mobile/shared-docs/blob/master/android/accessibility_guide.md) or does not include any user facing features
### After merge
- [ ] **Milestone**: Make sure issues finished by this pull request are added to the [milestone](https://github.com/mozilla-mobile/fenix/milestones) of the version currently in development.
### To download an APK when reviewing a PR:
1. click on Show All Checks,
2. click Details next to "Taskcluster (pull_request)" after it appears and then finishes with a green checkmark,
3. click on the "Fenix - assemble" task, then click "Run Artifacts".
4. the APK links should be on the left side of the screen, named for each CPU architecture
Co-authored-by: mcarare <mihai.carare.dev@gmail.com>
* For #2754 Add tab cards to share sheet
* For #2754: Fix background near rounded corners and ShareButtonAppearanceTest
* Add license to share_tab_item
* For #5092 - Show a Snackbar with retry option if sharing to devices fails
ShareController will contain all the business logic for checking the result
status of the `share to device` operations. When this fails it will show a
snackbar which also offer the possibility to retry the just failed operation.
To allow this even in the event the user has closed the share fragment we'll
use a GlobalScope's coroutine.
Refactored out the TabsSharedCallback from ShareFragment because otherwise we
would have neede to sent through that the just failed operation. After the
refactor the ShareController is solely responsable for showing the right
snackbar and handling the retry actions.
* For #5092 - Refactor ShareControllerTest
* For #5092: Adds color theming of snackbars
Added separate TextView for link text
Used UnderlineSpan to show text as link
Split string private_browsing_placeholder, one for each TextView
Set clickListener on TextView so it can be accessed via Talkback
ekager