[CGMZ] Hidden Objects - Version Alpha R4

Hi all, today this plugin was updated to version AlphaR4!
This version added some options for actions that can occur when the player completes a hidden object scene. You can now play a sound effect when the scene is completed. You can also show a toast window when the scene is completed via a new integration with [CGMZ] Toast Manager.
This update also adds some more control over the hidden object window. You can set its background type, height, and also have it use a custom image for a background via an integration with [CGMZ] Window Backgrounds.
- Added option to play SE when scene is completed
- Added window height option
- Added window background type option
- Added [CGMZ] Window Backgrounds integration
- Added [CGMZ] Toast Manager integration