Accessibility: Media: Improve the new Media Modal headings text.

See #47610.

Built from https://develop.svn.wordpress.org/trunk@46488


git-svn-id: http://core.svn.wordpress.org/trunk@46286 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/media-template.php

@@ -178,7 +178,7 @@ function wp_print_media_templates() {
 	<?php // Template for the media frame: used both in the media grid and in the media modal. ?>
 	<script type="text/html" id="tmpl-media-frame">
 		<div class="media-frame-title" id="media-frame-title"></div>
-		<h2 class="media-frame-menu-heading"><?php _e( 'Media Types' ); ?></h2>
+		<h2 class="media-frame-menu-heading"><?php _ex( 'Actions', 'media modal menu actions' ); ?></h2>
 		<button type="button" class="button button-link media-frame-menu-toggle" aria-expanded="false">
 			<?php _e( 'Media Types' ); ?>
 			<span class="dashicons dashicons-arrow-down" aria-hidden="true"></span>
@@ -188,7 +188,12 @@ function wp_print_media_templates() {
 			<div class="media-frame-router"></div>
 			<div class="media-frame-content"></div>
 		</div>
-		<h2 class="media-frame-actions-heading screen-reader-text"><?php _e( 'Available actions' ); ?></h2>
+		<h2 class="media-frame-actions-heading screen-reader-text">
+		<?php
+			/* translators: Accessibility text. */
+			_e( 'Selected media actions' );
+		?>
+		</h2>
 		<div class="media-frame-toolbar"></div>
 		<div class="media-frame-uploader"></div>
 	</script>

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-beta3-46485';
+$wp_version = '5.3-beta3-46488';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.