The character set and collation of src and dest are different for procedure/function/event in incremental copy

[Dinosauria]

Description

The character set and collation of src and dest are different, even if character_set_server and character_set_collate are the same，dest always utf8mb4.

Steps to reproduce the issue:(Take event as an example)

1. Create a event test1 on db1 in src
2. Post a job for the db1 with the event test1
3. Check test1 in dest,character set & collation are different from src, even if character_set_server and character_set_collate are the same in src & dest

Describe the results you received: Check test1 in dest,character set & collation are different from src, even if character_set_server and character_set_collate are the same in src & dest

Describe the results you expected:

Output of ./dtle version:

Dtle 9.9.9.9 (git: master ea8483db80155ce736935029ff27c8362e677b02)

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

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

1. event
2. function
3. procedure

[ColdWaterLW]

trigger act the same way