feat: update radioFilterModel with defaultIsEmpty argument

Author: NarrowsProjects

lib/public/components/Filters/common/RadioButtonFilterModel.js

@@ -22,13 +22,24 @@ export class RadioButtonFilterModel extends SelectionModel {
      *
      * @param {SelectionOption[]} [availableOptions] the list of possible operators
      * @param {function} [setDefault] function that selects the default from the list of available options. Selects first entry by default
+     * @param {boolean} [defaultIsEmpty] if true, the default selection will be treated as empty
      */
-    constructor(availableOptions, setDefault = (options) => [options[0]]) {
+    constructor(availableOptions, setDefault = (options) => [options[0]], defaultIsEmpty = true) {
         super({
             availableOptions,
             defaultSelection: setDefault(availableOptions),
             multiple: false,
             allowEmpty: false,
         });
+
+        this._defaultIsEmpty = defaultIsEmpty;
+    }
+
+    get isEmpty() {
+        if (this._defaultIsEmpty) {
+            return this.hasOnlyDefaultSelection();
+        }        
+
+        return false;
     }
 }