Enable/disable settings button is too wide on small screens

[MayeulC]

• I carefully read the contribution guidelines and agree to them.
• I checked if the issue/feature exists in the latest version.
• I did use the incredible bugreport to markdown converter to paste bug reports.

This screenshot was taken on a Sony Xperia M1(android 4.4), with fonts at the maximum size (as usually set by the phone's owner):

(I also note that accessing the SD card doesn't work on this phone/android version, except in NewPipe's /data path, but that's a separate issue)

[Stypox]

Closing as 4.4-specific