fix linux uni (url) and tray exit

src/platform/linux.rs

@@ -1145,7 +1145,7 @@ pub fn uninstall_service(show_new_window: bool) -> bool {
     if show_new_window {
         run_me_with(2);
     }
-    true
+    std::process::exit(0);
 }
 
 pub fn install_service() -> bool {

src/platform/windows.rs

@@ -2171,7 +2171,7 @@ pub fn uninstall_service(show_new_window: bool) -> bool {
         return true;
     }
     run_after_run_cmds(!show_new_window);
-    true
+    std::process::exit(0);
 }
 
 pub fn install_service() -> bool {