Issue #2312851 by dpfitzsi, DrColossos, sk33lz, Jody Lynn: Linkit modal hiding behind panels modal

css/linkit.css

@@ -87,4 +87,8 @@
 
 span.mceIcon.mce_linkit {
   background: transparent url(../editors/tinymce/images/linkit.png) no-repeat 0 0;
-}
\ No newline at end of file
+}
+
+.ui-dialog.ui-front.linkit-wrapper {
+  z-index: 2000;
+}