Limit to apps list, add proper flex attributes
Limit to apps list, add proper flex attributes

Let app-name headline break, increase padding on the right for more visual clearance.
Make experimental header full width

Signed-off-by: Felix A. Epp <e274eeff768c6396088ec6eb091f4bf4d47ab1e0@felixepp.de>

nextcloud/server,xx621998xx/server,jbicha/server,nextcloud/server,Ardinis/server,xx621998xx/server,whitekiba/server,xx621998xx/server,endsguy/server,andreas-p/nextcloud-server,whitekiba/server,Ardinis/server,jbicha/server,endsguy/server,pixelipo/server,jbicha/server,pmattern/server,pixelipo/server,whitekiba/server,whitekiba/server,pmattern/server,andreas-p/nextcloud-server,jbicha/server,andreas-p/nextcloud-server,pmattern/server,pmattern/server,endsguy/server,michaelletzgus/nextcloud-server,pixelipo/server,michaelletzgus/nextcloud-server,michaelletzgus/nextcloud-server,jbicha/server,andreas-p/nextcloud-server,pmattern/server,endsguy/server,Ardinis/server,whitekiba/server,Ardinis/server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,xx621998xx/server,endsguy/server,michaelletzgus/nextcloud-server,xx621998xx/server,pixelipo/server,Ardinis/server,pixelipo/server