Update Ctrl+G logic to account for prefab processing status and timing

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/PrefabEditorEntityOwnershipInterface.h

@@ -46,6 +46,8 @@ namespace AzToolsFramework
 
         virtual Prefab::InstanceOptionalReference GetRootPrefabInstance() = 0;
 
+        virtual const AZStd::vector<AZ::Data::Asset<AZ::Data::AssetData>>& GetPlayInEditorAssetData() = 0;
+
         virtual bool LoadFromStream(AZ::IO::GenericStream& stream, AZStd::string_view filename) = 0;
         virtual bool SaveToStream(AZ::IO::GenericStream& stream, AZStd::string_view filename) = 0;
         

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/PrefabEditorEntityOwnershipService.cpp

@@ -321,6 +321,11 @@ namespace AzToolsFramework
         return *m_rootInstance;
     }
 
+    const AZStd::vector<AZ::Data::Asset<AZ::Data::AssetData>>& PrefabEditorEntityOwnershipService::GetPlayInEditorAssetData()
+    {
+        return m_playInEditorData.m_assets;
+    }
+
     void PrefabEditorEntityOwnershipService::OnEntityRemoved(AZ::EntityId entityId)
     {
         AzFramework::SliceEntityRequestBus::MultiHandler::BusDisconnect(entityId);

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/PrefabEditorEntityOwnershipService.h

@@ -195,6 +195,8 @@ namespace AzToolsFramework
             AZ::IO::PathView filePath, Prefab::InstanceOptionalReference instanceToParentUnder) override;
 
         Prefab::InstanceOptionalReference GetRootPrefabInstance() override;
+
+        const AZStd::vector<AZ::Data::Asset<AZ::Data::AssetData>>& GetPlayInEditorAssetData() override;
         //////////////////////////////////////////////////////////////////////////
 
         void OnEntityRemoved(AZ::EntityId entityId);