LibCore: Move Stream-based sockets into the Core namespace

Author: https://github.com/timschumi
Commit: https://github.com/SerenityOS/serenity/commit/a96339b72b
Pull-request: https://github.com/SerenityOS/serenity/pull/17406
Reviewed-by: https://github.com/linusg

Userland/Libraries/LibFileSystemAccessClient/Client.h

@@ -62,7 +62,7 @@ protected:
     void die() override;
 
 private:
-    explicit Client(NonnullOwnPtr<Core::Stream::LocalSocket> socket)
+    explicit Client(NonnullOwnPtr<Core::LocalSocket> socket)
         : IPC::ConnectionToServer<FileSystemAccessClientEndpoint, FileSystemAccessServerEndpoint>(*this, move(socket))
     {
     }