fix(filtermodel): adv filter all btn works now

Author: Evan Horne

src/Filter/FilterModels.ts

@@ -35,13 +35,13 @@ export function advFilterCategorySelect(
 ): AdvancedFilterCategoryModel {
   const newCategory = { ...selectedCat };
   const options = newCategory.filterOptions.slice();
-  const allPressed = option === undefined && newCategory.displayAllButton;
+  const allPressed =
+    option.filterType === undefined && newCategory.displayAllButton;
 
   if (!newCategory.disabled) {
     if (allPressed) {
       options.forEach((opt: FilterOptionModel) => (opt.isSelected = false));
-    }
-    if (option) {
+    } else if (option) {
       const optionIdx = options.indexOf(option);
       options[optionIdx].isSelected = !option.isSelected;
       if (!selectedCat.isMultiSelect) {