One more iteration over controls and UX to have build in the polished state before upgrading to 5.6

• Improved cursor controls on the gamepad.

• Main menu clicks and input context streamlined before migration to Common UI

• Back action added on gamepad for main menu.

• Fix unnecessary blood vfx when unit was shot while in cover.

• Addional pass on Squad widget.

• Squad lost all units indication on Squad Widget.

• Localization fixes (a bunch)

• Fix autopilot being too wonky, by making it too stiff.

• Some fixes for in-game editor controls with gamepad.