Removing all FakeApp usages (#14174)

* Removing some other fake apps

* More FakeApp removed

* Removing entirely FakeApp

* Fixing some tests

* Fixing get Cluster id from get plugin status

* Fixing failing tests

* Fixing tests

* Fixing test initialization for web

* Fixing InitServer for server tests

* Fixing InitServer for server tests

* Reverting go.sum and go.mod

* Removing unneded HTMLTemplates function in App layer

* Moving back some functions to its old place to easy the review

* Moving back some functions to its old place to easy the review

* Using the last struct2interface version

* Generating store layers

* Fixing merge problems

* Addressing PR comments

* Small fix

* Fixing app tests build

* Fixing tests

* fixing tests

* Fix tests

* Fixing tests

* Fixing tests

* Fixing tests

* Moving license to server struct

* Adding some fixes to the test compilation

* Fixing cluster and some jobs initialization

* Fixing some license tests compilation problems

* Fixing recursive cache invalidation

* Regenerating app layers

* Fix test compilation

Co-authored-by: mattermod <mattermod@users.noreply.github.com>

app/oauth.go

@@ -66,7 +66,7 @@ func (a *App) DeleteOAuthApp(appId string) *model.AppError {
 		return err
 	}
 
-	if err := a.InvalidateAllCaches(); err != nil {
+	if err := a.Srv().InvalidateAllCaches(); err != nil {
 		mlog.Error("error in invalidating cache", mlog.Err(err))
 	}
 
@@ -801,7 +801,7 @@ func (a *App) AuthorizeOAuthUser(w http.ResponseWriter, r *http.Request, service
 }
 
 func (a *App) SwitchEmailToOAuth(w http.ResponseWriter, r *http.Request, email, password, code, service string) (string, *model.AppError) {
-	if a.License() != nil && !*a.Config().ServiceSettings.ExperimentalEnableAuthenticationTransfer {
+	if a.Srv().License() != nil && !*a.Config().ServiceSettings.ExperimentalEnableAuthenticationTransfer {
 		return "", model.NewAppError("emailToOAuth", "api.user.email_to_oauth.not_available.app_error", nil, "", http.StatusForbidden)
 	}
 
@@ -831,7 +831,7 @@ func (a *App) SwitchEmailToOAuth(w http.ResponseWriter, r *http.Request, email,
 }
 
 func (a *App) SwitchOAuthToEmail(email, password, requesterId string) (string, *model.AppError) {
-	if a.License() != nil && !*a.Config().ServiceSettings.ExperimentalEnableAuthenticationTransfer {
+	if a.Srv().License() != nil && !*a.Config().ServiceSettings.ExperimentalEnableAuthenticationTransfer {
 		return "", model.NewAppError("oauthToEmail", "api.user.oauth_to_email.not_available.app_error", nil, "", http.StatusForbidden)
 	}