Enable/disable settings button is too wide on small screens

[MayeulC]

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• I checked if the issue/feature exists in the latest version.
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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)