Test Execution: Tests: If a user performs filtering by the Search text field, the filter cannot be cleared afterwards

Defect: X-Ray: Test Execution: Tests: If a user performs filtering by the Search text field, the filter cannot be cleared afterwards
Steps: 
1. Log in to jira
2. Open any test execution containing tests
3. Enter any keyword in the Search text field in the Filters block
4. Clear the filter
 
Actual result: The Filter isn't cleared; Filtered results are still displayed (see attachment 175.png)
Expected result: The Filter should be cleared; All the tests should be displayed after clearing
 
Please note: the filter isn't cleared even after reloading the page, logging in and logging out; clearing the Browser cache; opening the execution in the incognito mode or in another browser.