Customize: Update selector to add `max-height`/`max-width` for wide widgets to account for JS-driven Text widget and Media widgets.

Fixes #41623.

Built from https://develop.svn.wordpress.org/trunk@41246


git-svn-id: http://core.svn.wordpress.org/trunk@41086 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/customize-widgets.js

@@ -602,7 +602,7 @@
 			$customizeSidebar = $( '.wp-full-overlay-sidebar-content:first' );
 			this.container.addClass( 'wide-widget-control' );
 
-			this.container.find( '.widget-content:first' ).css( {
+			this.container.find( '.form:first' ).css( {
 				'max-width': this.params.width,
 				'min-height': this.params.height
 			} );

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-alpha-41245';
+$wp_version = '4.9-alpha-41246';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.