replace close button to inkwell

Signed-off-by: dignow <linlong1265@gmail.com>

libs/hbb_common/src/config.rs

@@ -310,7 +310,7 @@ pub struct TransferSerde {
 }
 
 #[inline]
-pub fn get_online_statue() -> i64 {
+pub fn get_online_state() -> i64 {
     *ONLINE.lock().unwrap().values().max().unwrap_or(&0)
 }