Editor: when switching editor-expand off for the first time use the default editor height. Props avryl, fixes #30760 for trunk.

Built from https://develop.svn.wordpress.org/trunk@30977


git-svn-id: http://core.svn.wordpress.org/trunk@30963 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/editor-expand.js

@@ -682,7 +682,13 @@
 		}
 
 		function off() {
-			var height = window.getUserSetting('ed_size');
+			var height = parseInt( window.getUserSetting( 'ed_size', 300 ), 10 );
+
+			if ( height < 50 ) {
+				height = 50;
+			} else if ( height > 5000 ) {
+				height = 5000;
+			}
 
 			// Scroll to the top when triggering this from JS.
 			// Ensures toolbars are reset properly.