Administration: Capitalize Trash consistently in various messages and comments.

When used as a noun referring to the "virtual" place, `Trash` should be capitalized.

Props garrett-eclipse, aandrewdixon, Presskopp.
Fixes #45317.

git-svn-id: https://develop.svn.wordpress.org/trunk@47233 602fd350-edb4-49c9-b593-d223f7449a82

src/js/_enqueues/admin/edit-comments.js

@@ -538,7 +538,7 @@ window.setCommentsList = function() {
 			// The comment is currently pending.
 			} else if ( unapproved ) {
 				pendingDiff = -1;
-			// The comment was in the trash.
+			// The comment was in the Trash.
 			} else if ( trashed ) {
 				trashDiff = -1;
 			}

src/js/_enqueues/wp/customize/widgets.js

@@ -1864,7 +1864,7 @@
 							removedControl.container.remove();
 						}
 
-						// Move widget to inactive widgets sidebar (move it to trash) if has been previously saved.
+						// Move widget to inactive widgets sidebar (move it to Trash) if has been previously saved.
 						// This prevents the inactive widgets sidebar from overflowing with throwaway widgets.
 						if ( api.Widgets.savedWidgetIds[removedWidgetId] ) {
 							inactiveWidgets = api.value( 'sidebars_widgets[wp_inactive_widgets]' )().slice();

src/js/media/views/attachment/details.js

@@ -120,7 +120,7 @@ Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototyp
 	},
 
 	/**
-	 * Sets the trash state on an attachment, or destroys the model itself.
+	 * Sets the Trash state on an attachment, or destroys the model itself.
 	 *
 	 * If the mediaTrash setting is set to true, trashes the attachment.
 	 * Otherwise, the model itself is destroyed.
@@ -138,7 +138,7 @@ Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototyp
 
 		this.getFocusableElements();
 
-		// When in the Media Library and the Media trash is enabled.
+		// When in the Media Library and the Media Trash is enabled.
 		if ( wp.media.view.settings.mediaTrash &&
 			'edit-metadata' === this.controller.content.mode() ) {