Added OS X meta key check for stopping spinning animation in app and user menu.
Added OS X meta key check for stopping spinning animation in app and user menu.

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