feat: Restored ability to add non-recommended filter lists under Manifest v3 [#1679]
This MR contains the following changes:
- Removed
#filterlist-note-mv3
anddialog-predefined-note-mv3
notes from desktop settings page. - Don't disable buttons for adding non-recommended filter lists under Manifest v3 anymore.
- Removed unused translatable string.
This MR does not contain the following changes:
- Reverted changes to pass Manifest version to UI pages to allow for Manifest version-specific UIs.
- Reverted related changes to test environment to show UI for specific Manifest version.
- Reverted style changes for disabled buttons.