* perf: apply perfpsrint linter (#33967) * perf: apply perfpsrint linter * further simplifications * improved TestParseHashtags coverage * more simplifications * simplify renderBlockHTML further --------- Co-authored-by: Jesse Hallam <jesse@mattermost.com> * Fixed a bad merge --------- Co-authored-by: Catena cyber <35799796+catenacyber@users.noreply.github.com> Co-authored-by: Jesse Hallam <jesse@mattermost.com>