Power Display - The ability to change monitor names

### Description of the new feature / enhancement

Possibility of changing monitor names to your own insted of being automatically genrated.

### Scenario when this would be used?

I would like to change my screen names to Laptop and External for better visibility. Model is not always the best way of describing devices.

### Supporting information

_No response_

No file, test, or entry point is named in the issue. Start by locating Power Display's monitor-name generation and display-settings UI; done means users can assign custom names such as Laptop and External and see them consistently.

Written by the indexing model from the issue text.