make it possible to init time sync server with any persistent storage implementation

Author: fessehaeve

src/app/clusters/time-synchronization-server/time-synchronization-server.cpp

@@ -435,9 +435,9 @@ void TimeSynchronizationServer::AttemptToGetTime()
     }
 }
 
-void TimeSynchronizationServer::Init()
+void TimeSynchronizationServer::Init(PersistentStorageDelegate & persistentStorage)
 {
-    mTimeSyncDataProvider.Init(Server::GetInstance().GetPersistentStorage());
+    mTimeSyncDataProvider.Init(persistentStorage);
 
     Structs::TrustedTimeSourceStruct::Type tts;
     if (mTimeSyncDataProvider.LoadTrustedTimeSource(tts) == CHIP_NO_ERROR)
@@ -1324,6 +1324,6 @@ bool emberAfTimeSynchronizationClusterSetDefaultNTPCallback(
 
 void MatterTimeSynchronizationPluginServerInitCallback()
 {
-    TimeSynchronizationServer::Instance().Init();
+    TimeSynchronizationServer::Instance().Init(Server::GetInstance().GetPersistentStorage());
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/time-synchronization-server/time-synchronization-server.h

@@ -66,7 +66,7 @@ class TimeSynchronizationServer : public FabricTable::Delegate
 {
 public:
     TimeSynchronizationServer();
-    void Init();
+    void Init(PersistentStorageDelegate & persistentStorage);
     void Shutdown();
 
     static TimeSynchronizationServer & Instance(void);