Improve wrapper.

src/vk/Wrapper.cpp

@@ -35,6 +35,7 @@ Wrapper::~Wrapper() noexcept {
 Wrapper& Wrapper::operator=(const Wrapper& other) noexcept {
     if (&other != this) {
         m_context = other.m_context;
+        m_flags = other.m_flags & ~OwnUnderlyingObject;
     }
     return *this;
 }