TinyMCE: remove the fade in/out when opening/closing native modals to match the rest of our UI. Props afercia, avryl. Fixes #27388.

git-svn-id: https://develop.svn.wordpress.org/trunk@31185 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/css/editor.css

@@ -13,9 +13,12 @@
 }
 
 /* TinyMCE windows */
-#mce-modal-block.mce-in {
+#mce-modal-block,
+#mce-modal-block.mce-fade {
 	opacity: 0.7;
 	filter: alpha(opacity=70);
+	-webkit-transition: none;
+	transition: none;
 }
 
 .mce-window {
@@ -24,6 +27,8 @@
 	-webkit-box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
 	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
 	-webkit-font-smoothing: subpixel-antialiased;
+	-webkit-transition: none;
+	transition: none;
 }
 
 .mce-window .mce-container-body.mce-abs-layout {