Prevented crash on isValid on entity entity

Nuake/src/FileSystem/FileSystem.cpp

@@ -276,7 +276,6 @@ std::string FileSystem::GetFileNameFromPath(const std::string& path)
 	return String::Split(split[split.size() - 1], '.')[0];
 }
 
-
 Directory::Directory(const std::string& path)
 {
 	Files = std::vector<Ref<File>>();

Nuake/src/Scene/Entities/Entity.h

@@ -28,7 +28,7 @@ namespace Nuake
 
 		bool IsValid() const
 		{
-			return m_Scene->m_Registry.valid((entt::entity)GetHandle());
+			return m_EntityHandle != (entt::entity)-1 && m_Scene->m_Registry.valid((entt::entity)GetHandle());
 		}
 
 		template<typename T>