Permanent black rectangle

[KoBeWi]

Godot version:
5f1107a

OS/device including version:
Windows 10

Steps to reproduce:

1. Run any project

This is likely a leftover from loading popup.

EDIT:
Here's a gif from another (duplicate) issue:

[Anutrix]

It is from the Saving Scene window. Ctrl+S a few times to reproduce it.
I found 2 ways to get rid of it.
One is clicking on any part of the editor and pressing Ctrl+S again.
Another way is running the scene which will save the scene.

ERROR: Condition "!windows.has(p_window)" is true.
   at: window_resize (drivers\vulkan\vulkan_context.cpp:722)
ERROR: Task 'save' already exists.
   at: (editor\progress_dialog.cpp:166)
ERROR: Condition "!tasks.has(p_task)" is true. returned: cancelled
   at: task_step (editor\progress_dialog.cpp:196)
ERROR: Condition "!tasks.has(p_task)" is true. returned: cancelled
   at: task_step (editor\progress_dialog.cpp:196)
ERROR: Condition "!tasks.has(p_task)" is true. returned: cancelled
   at: task_step (editor\progress_dialog.cpp:196)
ERROR: Condition "!tasks.has(p_task)" is true. returned: cancelled
   at: task_step (editor\progress_dialog.cpp:196)
ERROR: Condition "!tasks.has(p_task)" is true. returned: cancelled
   at: task_step (editor\progress_dialog.cpp:196)
ERROR: Condition "!tasks.has(p_task)" is true.
   at: end_task (editor\progress_dialog.cpp:222)

is seen in terminal when using the shortcut.