[PLT-7180] Fix delete/edit not showing on DotMenu at parent post of RHS (#7214)
[PLT-7180] Fix delete/edit not showing on DotMenu at parent post of RHS (#7214)

* fix delete/edit not showing on DotMenu at parent post of RHS

* remove unnecessary shouldComponentUpdate

rickbatka/mattermost-webapp,rickbatka/mattermost-webapp,rickbatka/mattermost-webapp,rickbatka/mattermost-webapp