[MM-43917] Cloud Freemium limits API: messages/posts (#20152)

* WIP - Add api and app funcs

* Add test cases

* Add utils testcases

* Exclude deleted posts

* Add doc for func

* Move api from cloud to usage

* Allow api access to authenticated users

* Change int to int64

* Fix lint issue

* Simplify err check

Co-authored-by: Ashish Bhate <ashish.bhate@mattermost.com>

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Co-authored-by: Ashish Bhate <ashish.bhate@mattermost.com>

store/retrylayer/retrylayer.go

@@ -6094,11 +6094,11 @@ func (s *RetryLayerPluginStore) SetWithOptions(pluginID string, key string, valu
 
 }
 
-func (s *RetryLayerPostStore) AnalyticsPostCount(teamID string, mustHaveFile bool, mustHaveHashtag bool) (int64, error) {
+func (s *RetryLayerPostStore) AnalyticsPostCount(options *model.PostCountOptions) (int64, error) {
 
 	tries := 0
 	for {
-		result, err := s.PostStore.AnalyticsPostCount(teamID, mustHaveFile, mustHaveHashtag)
+		result, err := s.PostStore.AnalyticsPostCount(options)
 		if err == nil {
 			return result, nil
 		}