PullRequest: Fix slow rendering of outdated comments
PullRequest: Fix slow rendering of outdated comments

O(2^n) => O(n^2) where n is number of comments.

naver/yobi,ihoneymon/yobi,bloodybear/yona,bloodybear/yona,brainagenet/yobi,violetag/demo,ihoneymon/yobi,yona-projects/yona,ChangsungKim/TestRepository01,naver/yobi,oolso/yobi,ChangsungKim/TestRepository01,Limseunghwan/oss,violetag/demo,doortts/forked-for-history,yona-projects/yona,naver/yobi,doortts/fork-yobi,oolso/yobi,doortts/fork-yobi,ihoneymon/yobi,doortts/fork-yobi,Limseunghwan/oss,ahb0327/yobi,doortts/fork-yobi,bloodybear/yona,oolso/yobi,ahb0327/yobi,bloodybear/yona,brainagenet/yobi,yona-projects/yona,ahb0327/yobi,brainagenet/yobi,yona-projects/yona,doortts/forked-for-history,doortts/forked-for-history,Limseunghwan/oss