Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Proxies/HighLevelArchitecture/Common/player_callback.cpp

@@ -0,0 +1,20 @@
+
+
+
+#include "player_callback.h"
+
+namespace HighLevelArchitecture
+{
+
+void PlayerCallback::tick()
+{
+  NullPlayerCallback::tick();
+
+  if (!m_bFirstTick)
+  {
+    m_bFirstTick = true;
+    emit firstTick();
+  }
+}
+
+}