Update Firefox to 107.0 & uBlock to 1.45.2

[trickypr]

Firefox Update

This bumps Firefox up to 107.0. Note that we are moving back to alpha for development because we are moving back to feature development.

Fixes #113

QA Requirements

• [x] Sidebar

  • [x] The sidebar exists
  • [x] The settings and addons button are visible down the bottom
  • [x] The bookmarks, history and synced tabs icons are in the sidebar
  • [x] The sidebar can be resized properly
  • [x] An installed extension will appear in the sidebar
  • [x] Sidebar-Tabs is Loaded and has a button visible down the bottom
  • [x] Sidebar-Tabs can add a sidebar item to the sidebar
  • [x] Sidebar-Tabs can remove a sidebar item to the sidebar

• [x] Extensions

  • [x] Tabliss is loading correctly
  • [x] Tabliss does not have the webextention symbol in the title bar
  • [x] uBlock origin is loading correctly
  • [x] QRCode generator is loading correctly

• [x] About dialog

  • [x] The new about dialog is present
  • [x] The dialog has not significantly changed

• [x] Pocket

  • [x] Pocket is not present in the browser

• [x] Preferences

  • [x] All tabs in preferences open
  • [x] The "More from {Vendor}" option is not present
  • [x] The sidebar preferences are present and work as expected

• [x] Welcome experience

  • [x] The import button opens the import wizard
  • [x] The theme picker is present and works as expected
  • [x] The search engine picker is present and works as expected

• [x] Pulse theme

  • [x] The tabs appear to be consistent

• [x] Mozilla theme

  • [x] The sidebar tabs are correct

• [x] Useragent

  • [x] The user agent is reporting as Mozilla Firefox