TinyMCE: prevent iOS Safari from expanding the iframe width beyond the container width.

Fixes #38289.
Built from https://develop.svn.wordpress.org/trunk@38782


git-svn-id: http://core.svn.wordpress.org/trunk@38725 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/tinymce/skins/wordpress/wp-content.css

@@ -4,6 +4,11 @@ html {
 	cursor: text;
 }
 
+html.ios {
+	width: 100px;
+    min-width: 100%;
+}
+
 body {
 	font-family: Georgia, "Times New Roman", "Bitstream Charter", Times, serif;
 	font-size: 16px;

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38781';
+$wp_version = '4.7-alpha-38782';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.