Limit header nav width to content width
Limit header nav width to content width

Looks like this has been missed somewhere along the way
(36a1bb6770cb76ec7baf4e215c4379b070c60639) and ended up too deep down.

Signed-off-by: Florian Pritz <753f544d2d01592750fb4bd29251b78abcfc8ecd@xinu.at>

Bluewind/filebin,jreinert/filebin,Bluewind/filebin,Bluewind/filebin,Bluewind/filebin,jreinert/filebin,jreinert/filebin,Bluewind/filebin,jreinert/filebin,jreinert/filebin,jreinert/filebin