[DE] Fix Bug 48260

apps/common/main/lib/component/ComboBoxFonts.js

@@ -131,6 +131,8 @@ define([
                      if ($(e.target).closest('input').length) { // enter in input field
                         if (this.lastValue !== this._input.val())
                             this._input.trigger('change');
+                         else
+                            return true;
                     } else { // enter in dropdown list
                         $(e.target).click();
                         if (this.rendered) {