[SYCL] Fix copy instead of move Coverity hit (#18825)

Author: sergey-semenov

sycl/include/sycl/ext/oneapi/experimental/async_alloc/memory_pool.hpp

@@ -90,7 +90,8 @@ class __SYCL_EXPORT memory_pool {
 protected:
   std::shared_ptr<detail::memory_pool_impl> impl;
 
-  memory_pool(std::shared_ptr<detail::memory_pool_impl> Impl) : impl(Impl) {}
+  memory_pool(std::shared_ptr<detail::memory_pool_impl> Impl)
+      : impl(std::move(Impl)) {}
 
   template <class Obj>
   friend const decltype(Obj::impl) &