Remove redundant mutex

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/server/connection.rs

@@ -1244,7 +1244,7 @@ impl Connection {
                 #[cfg(not(any(target_os = "android", target_os = "ios")))]
                 let _h = try_start_record_cursor_pos();
                 self.auto_disconnect_timer = Self::get_auto_disconenct_timer();
-                s.try_add_privay_video_service();
+                s.try_add_primay_video_service();
                 s.add_connection(self.inner.clone(), &noperms);
             }
         }