fix: issue with foreign key constraint do to empty string for home board (#2088)

apps/nextjs/src/app/[locale]/manage/users/[userId]/general/_components/_change-home-board.tsx

@@ -39,8 +39,8 @@ export const ChangeHomeBoardForm = ({ user, boardsData }: ChangeHomeBoardFormPro
   });
   const form = useZodForm(validation.user.changeHomeBoards, {
     initialValues: {
-      homeBoardId: user.homeBoardId ?? "",
+      homeBoardId: user.homeBoardId,
-      mobileHomeBoardId: user.mobileHomeBoardId ?? "",
+      mobileHomeBoardId: user.mobileHomeBoardId,
     },
   });