Media Grid:

* Use a `media.view.Label` instance in the toolbar for the screen reader text for the "all" dropdown.
* Adjust the spinner's priority.

Fixes #29026.

Built from https://develop.svn.wordpress.org/trunk@29438


git-svn-id: http://core.svn.wordpress.org/trunk@29216 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/media-views.js

@@ -5743,6 +5743,10 @@
 				}).render() );
 			}
 
+			this.toolbar.set( 'spinner', new media.view.Spinner({
+				priority: -60
+			}) );
+
 			filters = this.options.filters;
 			if ( 'uploaded' === filters ) {
 				FiltersConstructor = media.view.AttachmentFilters.Uploaded;
@@ -5751,20 +5755,22 @@
 			}
 
 			if ( FiltersConstructor ) {
+				// "FiltersConstructor" will return a <select>, need to render
+				// screen reader text before
+				this.toolbar.set( 'filtersLabel', new media.view.Label({
+					value: l10n.filterByType,
+					attributes: {
+						'for':  'media-attachment-filters'
+					},
+					priority:   -80
+				}).render() );
 				this.toolbar.set( 'filters', new FiltersConstructor({
 					controller: this.controller,
 					model:      this.collection.props,
 					priority:   -80
 				}).render() );
-
-				screenReaderText = $( '<label class="screen-reader-text" for="media-attachment-filters">' + l10n.select + '</label>' );
-				this.toolbar.get( 'filters' ).$el.before( screenReaderText );
 			}
 
-			this.toolbar.set( 'spinner', new media.view.Spinner({
-				priority: -70
-			}) );
-
 			if ( this.options.search ) {
 				// Search is an input, screen reader text needs to be rendered before
 				this.toolbar.set( 'searchLabel', new media.view.Label({