Support deleting multiple scenes (#630)

* Improve layout and add buttons
* Move functionality into ListFilter
* Make modal style dark
* Convert scene options into edit scenes dialog
* Add delete scenes dialog
* Clear selected ids on delete
* Refetch after update/delete
* Use DeleteScenesDialog in Scene page
* Show scene check boxes in small screens
* Change default multi-set mode to set

ui/v2.5/src/components/Changelog/versions/v030.tsx

@@ -3,11 +3,13 @@ import ReactMarkdown from "react-markdown";
 
 const markup = `
 ### ✨ New Features
+*  Support deleting multiple scenes.
 *  Add in-app help manual.
 *  Add support for custom served folders.
 *  Add support for parent/child studios.
 
 ### 🎨 Improvements
+*  Added multi-scene edit dialog.
 *  Moved images to separate tables, increasing performance.
 *  Add gallery grid view.
 *  Add is-missing scene filter for gallery query.