Mouse cursor does not disappear when widget has focus

THere is an issue with the Mouse cursor when using UMG with the set show mouse cursor option. after setting the set show mouse cursor off pressing a widget and giving it focus causes the mouse cursor to appear again until the widget loses focus. This issue does not appear to be a regression.

Versions Tested: Issue occurs on all versions tested
4.17.2 - CL: 3658906
4.18.1 - CL: 3754814
4.19.0 - CL: 3650786

1. Create a new project (no template or starter content needed)
2. Create a new widget > name it "TestBP" open TestBP
3. Add a button to the canvas panel > compile, save, and close TestBP
4. Open the level blueprint and recreate the screenshot provided
5. PIE and click the button and wait for the mouse to disappear
6. Click the button again
   Result: The mouse cursor appears again
   Expected result: the mouse cursor does not appear again