MM-17489: fixed racy tryExecutePluginCommand (#11780)

* MM-17489: fixed racy tryExecutePluginCommand

* PR feedback

* MM 7971 dockerhost -> localhost && docker -> docker-compose (#10872)

* replace dockerhost with localhost

* remove uneeded setup-max build step (no more dockerhost)

* changes as recommended by @cpanato

* make clean-docker with docker-compose

* added ports to docker-compose.yml (needed for osx).   ignore error for ldapadd (when already exists)

* add clean-old-docker to legacy.mk

* docker-compose stop instead of down for `make stop-docker`

* MM-17117: Updates einterface for FirstLoginSync. (#11737)

* update sampledata users passwords (#11769)

* update sampledata users passwords

* update makefile

* Tweak docker compose setup (#11785)

* fix stray dockerhost mention

* fix stray whitespace

* fix missing mattermost-redix cleanup in clean-old-docker

* absolute path to docker-compose, plus simpler ldap initialization

* allow ldapadd to fail on CI

* MM-16366 - Prevent attachment duplication on import (#11770)

* prevent attachment duplication

* improved tests

* corrected import into a new post

* WIP: a failed attempt to add tests

* remove debugging statements

* fix godoc

* enable plugins when testing

* rework reentrant unit tests

app/command.go

@@ -187,7 +187,7 @@ func (a *App) ExecuteCommand(args *model.CommandArgs) (*model.CommandResponse, *
 	return nil, model.NewAppError("command", "api.command.execute_command.not_found.app_error", map[string]interface{}{"Trigger": trigger}, "", http.StatusNotFound)
 }
 
-// tryExecutePluginCommand attempts to run a built in command based on the given arguments. If no such command can be
+// tryExecuteBuiltInCommand attempts to run a built in command based on the given arguments. If no such command can be
 // found, returns nil for all arguments.
 func (a *App) tryExecuteBuiltInCommand(args *model.CommandArgs, trigger string, message string) (*model.Command, *model.CommandResponse) {
 	provider := GetCommandProvider(trigger)