Sergei Kozelko d11fb884c2
Fix comment expanding logic (#1155)
Child comment expanding was broken because it did not take into account children
of children of children and deeper levels of comments when calculating new
comment's position.

Replaced with a simple tree to list conversion in pre-order.
2022-10-16 17:06:10 +08:00
..
2022-10-16 17:06:10 +08:00
2022-09-21 15:54:58 +10:00