remove more "rustdesk" built-in

src/common.rs

@@ -979,10 +979,16 @@ async fn check_software_update_() -> hbb_common::ResultType<()> {
     Ok(())
 }
 
+#[inline]
 pub fn get_app_name() -> String {
     hbb_common::config::APP_NAME.read().unwrap().clone()
 }
 
+#[inline]
+pub fn get_uri_prefix() -> String {
+    format!("{}://", get_app_name().to_lowercase())
+}
+
 #[cfg(target_os = "macos")]
 pub fn get_full_name() -> String {
     format!(
@@ -1512,7 +1518,7 @@ mod tests {
             assert_eq!(times, tokio_times);
         }
     }
-    
+
     #[tokio::test]
     async fn test_tokio_time_interval_sleep() {
         let mut timer = interval_maker();