fix(modal): add scrollable area for CustomIntegrationModal layout

Signed-off-by: Innei <tukon479@gmail.com>

Author: Innei

apps/desktop/layer/renderer/src/components/ui/modal/stacked/modal.tsx

@@ -197,6 +197,7 @@ export const ModalInternal = memo(function Modal({
   const handleClickOutsideToDismiss = useCallback(
     (e: SyntheticEvent) => {
       if (isSelectingRef.current) return
+
       const fn = modal ? (clickOutsideToDismiss && canClose ? dismiss : noticeModal) : undefined
       fn?.(e)
     },