feat: enhance mutation manager job to support database specification in ClickHouse queries

Author: kanwarujjaval

api/jobs/mutationManagerJob.js

@@ -496,7 +496,7 @@ class MutationManagerJob extends Job {
             const commandId = `um_${String(task._id)}_${retryIndex}`; // update mutation
             await common.queryRunner.executeQuery(
                 queryDef,
-                { queryObj: task.query, updateObj: task.update, targetTable: task.collection, validation_command_id: commandId },
+                { queryObj: task.query, updateObj: task.update, targetTable: task.collection, db: task.db, validation_command_id: commandId },
                 {}
             );
             await common.db.collection("mutation_manager").updateOne(