Simplify selectors in [30374].

props wonderboymusic, adamsilverstein.
see #29326.

git-svn-id: https://develop.svn.wordpress.org/trunk@30461 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/js/media-views.js

@@ -3018,7 +3018,7 @@
 			this.content.set( view );
 
 			// Trigger the controller to set focus
-			view.controller.trigger( 'edit:selection', this );
+			this.trigger( 'edit:selection', this );
 		},
 
 		editImageContent: function() {
@@ -6266,7 +6266,7 @@
 		},
 
 		editSelection: function( modal ) {
-			modal.$el.find( '.media-button-backToLibrary' ).focus();
+			modal.$( '.media-button-backToLibrary' ).focus();
 		},
 
 		/**