Address selected input edge case. Fixes #1058

src/lib/services/Utilities.ts

@@ -299,6 +299,11 @@ class Utilities {
     return output;
   }
 
+  /**
+   * Check whether the button is a standard button
+   */
+  isStandardButton = (button: string) => button && !(button[0] === "{" && button[button.length - 1] === "}");
+
   /**
    * Removes an amount of characters before a given position
    *