Fixing behavior of Replicas and SearchReplicas in canary environments (#14576)

* Fixing behavior of Replicas and SearchReplicas in canary environments

* Trying to fix tests

* Revert "Trying to fix tests"

This reverts commit 3531da961844f5cb8557efcd3b570b06f362c6df.

* Revert "Fixing behavior of Replicas and SearchReplicas in canary environments"

This reverts commit 0c05901c843e4ccd60c8320fb4e0123b1bacf430.

* Revert "Disable read/search db replicas in TE/E0 (#14400)"

This reverts commit ef5ac519d9.

* Making the store aware of the license

* Readding the unit tests

* Fixing sqlstor supplier tests

* Adding mutex to ensure license write consistency and fixing tests

* Fixing tests

* Fixing tests

* Shuting down server properly during tests

* Trying to fix tests

* Trying to fix the tests

* Skipping flaky tests

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

app/server.go

@@ -52,8 +52,8 @@ import (
 var MaxNotificationsPerChannelDefault int64 = 1000000
 
 type Server struct {
-	Store           store.Store
 	sqlStore        *sqlstore.SqlSupplier
+	Store           store.Store
 	WebSocketRouter *WebSocketRouter
 
 	// RootRouter is the starting point for all HTTP requests to the server.
@@ -309,24 +309,6 @@ func NewServer(options ...Option) (*Server, error) {
 
 	license := s.License()
 
-	if license == nil && len(s.Config().SqlSettings.DataSourceReplicas) > 0 {
-		mlog.Warn("Read replicas functionality disabled by current license. Please contact your system administrator about upgrading your enterprise license.")
-		s.UpdateConfig(func(cfg *model.Config) {
-			cfg.SqlSettings.DataSourceReplicas = []string{}
-		})
-		s.Store.Close()
-		s.Store = s.newStore()
-	}
-
-	if license == nil && len(s.Config().SqlSettings.DataSourceSearchReplicas) > 0 {
-		mlog.Warn("Search replicas functionality disabled by current license. Please contact your system administrator about upgrading your enterprise license.")
-		s.UpdateConfig(func(cfg *model.Config) {
-			cfg.SqlSettings.DataSourceSearchReplicas = []string{}
-		})
-		s.Store.Close()
-		s.Store = s.newStore()
-	}
-
 	if license == nil {
 		s.UpdateConfig(func(cfg *model.Config) {
 			cfg.TeamSettings.MaxNotificationsPerChannel = &MaxNotificationsPerChannelDefault