Use integer font size value in default settings (#7649)

Release Notes:

Fixed : default settings for terminal not containing a proper value for font size ([7469](https://github.com/zed-industries/zed/issues/7469))
2f3ad9da4cJun committed on 2/10/2024, 8:48:21 AM· committed by GitHubparent68893c2
1 file changedLine totals unavailable