[OHOS] fix: 修复内存泄露问题，并重构日志管理，预防性修复数据库初始化异常问题 (#2328)

* fix: leak memory
feat: new log manager

* fix: fail to init db

* fix: fail to init db

* fix: cargo format

easytier-contrib/easytier-ohrs/src/kernel_bridge.rs

@@ -3,4 +3,6 @@ mod routing;
 mod socket_server;
 
 pub(crate) use routing::aggregate_requested_tun_routes;
-pub use socket_server::{start_local_socket_server, stop_local_socket_server};
+pub use socket_server::{
+    set_snapshot_broadcast_enabled, start_local_socket_server, stop_local_socket_server,
+};