[FEATURE] Mask pointer if not moved

[lgranie]

Submission checklist

• I have searched existing issues and confirmed this has not been requested before.
• I have checked existing pull requests for similar changes.

Feature type

Login UI / visual improvement

Feature summary

Is it possible to mask the mouse pointer if not moved?

Motivation / use case

I do not use the mouse to login
I do not need to see the pointer in the middle of the screen

Proposed solution

Mask the pointer at launch and if not moved

Alternatives considered

No response

References / related projects

No response

Additional context

No response