Fix 2231 Modal overlap on double modal open (#2239)

* add same multiple snapPoints to Confirm modal

* snapToIndex instead of confirm

src/view/com/modals/Modal.tsx

···
 
   useEffect(() => {
     if (isModalActive) {
-      bottomSheetRef.current?.expand()
+      bottomSheetRef.current?.snapToIndex(0)
     } else {
       bottomSheetRef.current?.close()
     }