🐛(react) fix closing of menu via toggle button

Previously it was not possible to close the menu when clicking on
the toggle button on search select. It was caused by a conflicting
state update.
1. Downshift triggers closing the menu from getToggleButtonProps
2. wrapperProps was calling downshiftReturn.openMenu()

packages/react/src/components/Forms/Select/multi-searchable.tsx

@@ -136,7 +136,11 @@ export const SelectMultiSearchable = forwardRef<SelectHandle, SubProps>(
           wrapperProps: {
             onClick: () => {
               inputRef.current?.focus();
-              downshiftReturn.openMenu();
+              // This is important because if we don't check that: when clicking on the toggle button
+              // when the menu is open, it will close and reopen immediately.
+              if (!downshiftReturn.isOpen) {
+                downshiftReturn.openMenu();
+              }
             },
           },
           toggleButtonProps: downshiftReturn.getToggleButtonProps(),