ctrl+enter in clipboard edit should save edit

### Feature Description

Ctrl+enter is the default in most text boxes to confirm or send text

### Use Case

Reduces the need to use the mouse

### Compositor(s)

All compositors

### If Other, please specify

_No response_

### Proposed Solution

_No response_

### Alternatives/Existing Solutions

_No response_

No file or test is named; start by locating the clipboard edit UI and its existing save or confirmation handler. Verify that Ctrl+Enter saves the edit without using the mouse, and confirm the behavior across the supported compositors.

Written by the indexing model from the issue text.