Currently, stream_manager is initialized after storage_service and
so it is stopped before the storage_service is. In its stop method
storage_service accesses stream_manager which is uninitialized
at a time.
Move stream_manager initialization over the storage_service initialization.
Fixes: #23207.
Closesscylladb/scylladb#24008
(cherry picked from commit 9c03255fd2)
Closesscylladb/scylladb#24190