OO-3843: don't close the edit panel after using a Tiny's popup

Don't close the edit panel if the user write and select a Latex formula,
a link or a special character

src/main/webapp/static/js/jquery/openolat/jquery.contenteditor.js

@@ -78,7 +78,10 @@
 						|| jQuery(e.target).closest(".o_page_side_options").length > 0;
 					var excludedEls = jQuery(e.target).closest(".o_popover").length > 0
 						|| jQuery(e.target).closest(".o_page_add_in_container").length > 0
-						|| jQuery(e.target).closest(".mce-menu").length > 0;
+						|| jQuery(e.target).closest(".mce-menu").length > 0
+						|| jQuery(e.target).closest(".mce-window").length > 0
+						|| jQuery(e.target).closest(".mce-container").length > 0
+						|| jQuery(e.target).closest(".mce-widget").length > 0;
 					if(!edited && !excludedEls && jQuery(".o_layered_panel .modal-dialog").length == 0) {
 						o_XHREvent(componentUrl, false, false, 'cid', 'close_edit_fragment');
 					}