Ticket #4191: 4191.patch

_source/plugins/image/dialogs/image.js

@@ -447 +447 @@
                                                                                                         setTimeout( function()
                                                                                                                 {
                                                                                                                         field.setValue( url );          // And call this.onChange()
+                                                                                                                        // Manually set the initial value.(#4191)
+                                                                                                                        field.setInitValue();
                                                                                                                         field.focus();
                                                                                                                 }, 0 );
                                                                                                 }