The Status Filter in Test Plans Report/Test Executions Report doesn't show all the values

Description 

The Status Filter in Test Plans Report/Test Executions Report doesn't show all the values. It only shows the first 15 values in alphabetical order and there is no way to get other values even after searching in the search box.  

Pre-conditions

How to reproduce

1. Create more than 15 workflow statuses
2. Go to the Test Executions/Test Plans report
3. Click on Filters
4. Click on Status

Actual result/Attachments

It only shows 15 values with no scroll bar and the rest of the values cannot be retrieved when doing a search on the search bar

Expected result

It should show the first 15 results or use auto-complete in order to get the expected status.

Version

• 6.3.2/6.5.0/6.5.1