We were setting the user status to offline without
checking for connections on other nodes in a cluster.
Now we implement a request-response mechanism for the whole
cluster and we check that before setting a user to offline.
https://mattermost.atlassian.net/browse/MM-57153
```release-note
Fix a bug where the user status would incorrectly be set to offline
without checking for connections in other nodes in an HA cluster.
```
Co-authored-by: Ibrahim Serdar Acikgoz <serdaracikgoz86@gmail.com>
Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Ben Schumacher <ben.schumacher@mattermost.com>
UserStore.GetAllProfiles is a very frequent call. We cache it
when there are no options passed which is the default case.
https://mattermost.atlassian.net/browse/MM-57084
```release-note
NONE
```
There were multiple problems with loading of a license.
1. It was called from inside app/server.go and app/platform/service.go. The first one wasn't really needed anymore, so we remove it.
2. To make loading of a license work across a cluster, the license load action was attached along with the `InvalidateAllCachesSkipSend` method. But the problem with that was that it would even get called in the caller node as well, putting it in a recursive loop.
```
LoadLicense -> SaveLicense -> InvalidateAllCaches -> InvalidateAllCachesSkipSend -> LoadLicense
```
To fix this, we create a dedicated loadLicense cluster event and move it away from the `InvalidateAllCachesSkipSend` method. And then from the caller side, we just trigger this action.
3. We also remove the first call to check license expiration which would load the license again. This is unnecessary because if the license is expired, server wouldn't start at all.
While here, we also make some other improvements like removing unnecessary goroutine spawning while publishing websocket events. They are already handled asynchronously, so there is no need
to create a goroutine for that.
We also remove
```
ps.ReloadConfig()
ps.InvalidateAllCaches()
```
from requestTrialLicense as they are already called from inside `*PlatformService.SaveLicense`.
And lastly, we remove the `*model.AppError` return from `*PlatformService.InvalidateAllCaches` because there was nothing to return at all.
https://mattermost.atlassian.net/browse/MM-53879
```release-note
Fix several issues with loading of a license
```
* add base for calling the endpoint
* add endpoint and handler
* update store and layers
* call the endpoint
* align types
* update app layers
* generate mocks
* complete handler
* finish store query
* add todos
* add ui for member count
* add selector
* add a todo
* add cache layer
* optimize calls in FE
* handle invalidation of the cache
* fix go style
* fix test
* use existing channel layer count
* fix import error
* delete unnecessary code
* write tests for channel cache layer
* fix testname
* fix mocks
* fix cache layer test
* fix a test
* really fix the test
* write more tests for server
* address PR comments
* remove comment
* rename more_channels to browse_channels
* fix style
* update snapshot
* add translations
* Revert "add translations"
This reverts commit 56476a5dabe357703ef02be9a38b3e88f5c8b1e7.
* add only related translations
* address PR review points
* add test
* fix test
---------
Co-authored-by: Mattermost Build <build@mattermost.com>
