Create signature button doesn't appear correctly with bigger text size

### What Happened?

This is how the Create Signature button looks with text size set to 1.15 in system settings:
Notice the right side of the button.

### Steps to Reproduce

- set text size to 1.15 or bigger in system settings
- open Mail
- go to signature settings

### Expected Behavior

Either the dialog should be larger so the button fits in it or the text should be wrapped.

### OS Version

7.x (Horus)

### Software Version

Latest release (I have run all updates)

### Log Output

_No response_

### Hardware Info

_No response_