fix setting item location

src/entity/gateway/postgres/postgres.rs

@@ -288,7 +288,7 @@ impl EntityGateway for PostgresGateway {
         sqlx::query("insert into item_location (item, location) values ($1, $2);")
             .bind(item_id.0)
             .bind(sqlx::types::Json(PgItemLocationDetail::from(item_location)))
-            .fetch_one(&self.pool).await.unwrap();
+            .execute(&self.pool).await.unwrap();
     }
 
     async fn feed_mag(&mut self, mag_item_id: &ItemEntityId, tool_item_id: &ItemEntityId) {