When trying to select Filters in the Testing board, the dialog box disappears

Description: 
When trying to select Filters in the Testing board, the dialog box disappears.

Pre-conditions
NA

How to reproduce

1. Select Project
2. Testing Board
3. Test Execution or Test Plan page
4. Filters
5. Try to use an option to filter.
6. The whole dialogue box disappears. 

Actual result/Attachments

Expected result
Users should be able to select the desired option to filter correctly