Open/close threads with the sane API
Open/close threads with the sane API

The default API toggles closedness, causing problems when two mods close a thread at once

andrew-sayers--frontier-forums/frontier-forums-moderation-tools,andrew-sayers--frontier-forums/frontier-forums-moderation-tools,andrew-sayers--frontier-forums/frontier-forums-moderation-tools,andrew-sayers--frontier-forums/frontier-forums-moderation-tools