Cyberfox Beta 48.0b5

Changes:

• Fixed: Update notification bar color on linux mint.
• Fixed: Adding release notes in about cyberfox on linux caused background image to tile.
• Update: CyberCTR to 1.5.6b2
• Merge: cyberfox 48.0b5 with cyberfox 48.0b4
• Update: language patches.
• Fixed: Components declaration in _getOfflineAppUsage
• Fixed: Polski language pack bustage due to ampersand.

Full change list