Sleep for only one second if the gtk sender can't be found

This probably means that the main app hasn't started yet. Just sleep for one second before retrying.

dashboard/src/main.rs

@@ -110,8 +110,10 @@ pub fn main() {
 
                 if let Some(ref gtk_tx) = *core.tx.read().unwrap() {
                     let _ = gtk_tx.send(Message::Refresh(state.clone()));
+                    std::thread::sleep(std::time::Duration::from_secs(60));
+                } else {
+                    std::thread::sleep(std::time::Duration::from_secs(1));
                 }
-                std::thread::sleep(std::time::Duration::from_secs(60));
             }
         }
     });
@@ -134,8 +136,6 @@ pub fn main() {
                 Continue(true)
             }
         });
-
-        std::thread::spawn(move || {});
     });
 
     let args: Vec<String> = env::args().collect();