get data from tag table instead of user

src/officesense_pi/src/api/lookup/lookup.repository.ts

@@ -1,9 +1,9 @@
 import { prisma } from "../../lib/prisma.js";
 
 export async function existsByUUID(uuid: string): Promise<boolean> {
-    const user = await prisma.user.findUnique({
+    const tag = await prisma.tag.findUnique({
         where: { id: uuid }
     });
 
-    return !!user;
+    return !!tag;
 }