c835140fe8
* Add custom thumbnail url. Support backup & restore - add custom thumbnail url in edit info/custom - include it in backup n restore * increase chop char * edit chop char again to match screenshoot * tweak truncating middle part * apply edited cover to history, updates , others * simplify placeholder logic --------- Co-authored-by: jobobby04 <jobobby04@users.noreply.github.com>