Fix resetRejected: always reset pro_state even without professional record

Previous code deleted the professional record; if pro_state=3 but no record
exists, the 404 blocked the retry. Now we unconditionally reset pro_state=0.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/professionals/professionals.service.ts

@@ -179,9 +179,7 @@ export class ProfessionalsService {
   }
 
   async resetRejected(userId: string) {
-    const prof = await this.prisma.professionals.findUnique({ where: { user_id: userId } });
-    if (!prof) throw new NotFoundException('No se encontró solicitud');
-    // Reset to 0 without deleting — avoids FK constraint errors from services/reputations
+    // Always reset pro_state regardless of whether a professional record exists
     await this.prisma.users.update({ where: { id: userId }, data: { pro_state: 0 } });
     return { message: 'Solicitud reiniciada' };
   }