fix: foreign key reference default search engine (#2211)

* fix: foreign key reference default search engine

* fix: add sqlite migration to fix on delete action

---------

Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>

packages/api/src/router/search-engine/search-engine-router.ts

@@ -195,6 +195,12 @@ export const searchEngineRouter = createTRPCRouter({
     .requiresPermission("search-engine-full-all")
     .input(validation.common.byId)
     .mutation(async ({ ctx, input }) => {
+      await ctx.db
+        .update(users)
+        .set({
+          defaultSearchEngineId: null,
+        })
+        .where(eq(users.defaultSearchEngineId, input.id));
       await ctx.db.delete(searchEngines).where(eq(searchEngines.id, input.id));
     }),
 });