* on login add UserId and SessionId to audit's Actor field to match logout
* lint
* simplify to add only userId and sessionId
* AddToEventActor -> AddUser/SessionToEventActor
* fill in missing session data when logging the audit record
* why did it bump that? reverting.
* make modules-tidy
* trigger build
* add more context to the comment
It was a good decision in hindsight to keep the public module as 0.x
because this would have been a breaking change again.
https://mattermost.atlassian.net/browse/MM-53032
```release-note
Changed the Go module path from github.com/mattermost/mattermost-server/server/v8 to github.com/mattermost/mattermost/server/v8.
For the public facing module, it's path is also changed from github.com/mattermost/mattermost-server/server/public to github.com/mattermost/mattermost/server/public
```
