BI-25467

src/case/richeditor/niceditor/niceditor.js

@@ -307,10 +307,10 @@
         insertHTML: function (html) {
             var range = this.getRng();
 
-            if (document.queryCommandState("insertHTML")) {
+            try {
-                // W3C
                 this.nicCommand("insertHTML", html);
-            } else if (range.insertNode) {
+            } finally {
+                if (range.insertNode) {
                     // IE
                     range.deleteContents();
                     range.insertNode($(html)[0]);
@@ -318,6 +318,7 @@
                     // IE <= 10
                     range.pasteHTML(html);
                 }
+            }
         },
 
         nicCommand: function (cmd, args) {