Merge changes from topic "magnification_settings" into udc-dev

* changes:
  fix(#MagSettingsPanel): modify content desription for buttons
  chore(#MagSettingsPanel): adjust magnification settings panel ui when showing for fullscreen magnifier
  chore(#MagSettingsPanel): modify MagnificationModeSwitch icon
  feat(#MagSettingsPanel)!: support WindowMagnificationSettings for fullscreen magnifier
  feat(#MagSettingsPanel): add removeMagnificationSettingsPanel method in WindowMagnificationConnection
  feat(#MagSettingsPanel): add MagnificationSettingsController to interact with WindowMagnificationSetting