「Problem」The 'No Editors Open' message can appear through open editors

[jdngray77]

Describe the bug
The image in the tab pane holding the editors can display through the button of an editor, when it's resized with the bottom dock.

To Reproduce
Steps to reproduce the behavior:

1. Enable the bottom dock (Ctrl/Cmd+B)
2. Resize the split between the bottom dock and the tab pane.

Expected behavior
If there's an editor open, the image should never be visible to the user.

Screenshots

Screen.Recording.mov