migrate n-to-1, got error when replay create index

[actiontech-bot]

Description

Steps to reproduce the issue:

1. set up a 2-to-1 replication
2. execute create index k_1 on sbtest1(K) in both two sources

Describe the results you received:
dtle error:

[ERR] mysql.applier: exec sql error: Error 1061: Duplicate key name 'k_1'

Describe the results you expected:
No error

Output of ./dtle version:

(not available)

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

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