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