When I start my jenkins project via gitlab webhook, the filter branches by name include field registered in my jenkins project changes to null

step 1
In my Jenkins project I select my gitlab plugin plugin setting as 'Allow all branches to trigger this job'

 

step 2
I press the test button by marking my project on Gitlab as "Push Events" and filling the "branch name" field with "dev".

 

step3
My project is being built on Jenkins. Afterwards, when I enter my project's settings, the "Filter branches by name" field is checked and it becomes "null".
When this parameter is checked, the webhook does not work in the next push.

 

step 4
In my Jenkins project I select my gitlab plugin plugin setting as 'Filter branches by name dev'. Then I trigger my project via gitlab webhook. The registered 'Filter branches by name dev' field in my Jenkins project is still null

Jenkins version = 2.361.3

Gitlab Plugin 1.6.0