Mapping：After change name ,delete src table ,the Dest table can not be deleted

[yaqigithub]

Description
create a job copy data to Dest,delete the Src table,The table in Dest can not be deleted.

Steps to reproduce the issue:
1.create schema test1 in Src
create database action_db;
create database action_db2;

2.create three tables in action_db and action_db2
CREATE TABLE sbtest1(idint(7) NOT NULL,TITLE VARCHAR(40) NOT NULL,PRIMARY KEY (id));
CREATE TABLE sbtest2(idint(7) NOT NULL,TITLE VARCHAR(40) NOT NULL,PRIMARY KEY (id));
CREATE TABLE sbtest3(idint(7) NOT NULL,TITLE VARCHAR(40) NOT NULL,PRIMARY KEY (id));
3.create job
job204.json.txt
curl -H "Accept:application/json" -XPOST "http://10.186.62.57:9190/v1/jobs" -d @job204.json -s | jq
4.delete table sbtest1 in Src
drop table sbtest1;

Describe the results you received:
table demo1 in Dest do not deleted

Describe the results you expected:
table demo1 in Dest is deleted

Output of ./dtle version:

Dtle 9.9.9.9 (git: master 41b2d5b60f82d38f616436f90806420ed4805eb8)

Additional information you deem important (e.g. issue happens only occasionally):

Additional details (log, config, job config etc):