Fix network layout displaying the scrollbar incorrectly
Fix network layout displaying the scrollbar incorrectly

This was introduced by https://github.com/thelounge/lounge/pull/856/files#diff-97db1f70168fb5f12457b238ff6052b5R773 (and L794-798): a right position got introduced for all channel containers, but default position for other types of containers was absent before this script.

MaxLeiter/lounge,realies/lounge,FryDay/lounge,williamboman/lounge,realies/lounge,libertysoft3/lounge-autoconnect,realies/lounge,metsjeesus/lounge,MaxLeiter/lounge,williamboman/lounge,ScoutLink/lounge,ScoutLink/lounge,libertysoft3/lounge-autoconnect,libertysoft3/lounge-autoconnect,williamboman/lounge,FryDay/lounge,metsjeesus/lounge,MaxLeiter/lounge,FryDay/lounge,ScoutLink/lounge,thelounge/lounge,thelounge/lounge,metsjeesus/lounge