* changed ControllerProxy to template class
* allow passing method pointers and arguments to ControllerProxy
* replaced some messages with ControllerProxy calls
* moved logic from BookmarkView into BookmarkController
* moved bookmark buttons behind search bar
* suggest qualified name when creating, file name for files
* fixed bug when updating bookmark category
* changed comment toggle arrow
* changed edit and delete icons
* fixed undo for edge bookmarks
* keep categories always alphabetical regardless of subsorting
* keep category expansion state when opening and closing browser
* removed QtBookmarkBar, moved logic into QtBookmarkView
* added bookmarks Menu with shortcuts
Ctrl + D: Create Bookmark
Ctrl + B: Bookmark Manager
* fixed window size and resizing
* fixed layout and spacing
* removed focus rects on Mac
* fixed filter dropdown style for Mac
* reuse button handling from QtWindow
* use different colors for category and bookmark rows
* allow clicking full row for expansion
* show edit and delete button only on hover
* ellide bookmark name when little space