only restart on fresh press of spacebar

js/main.js

@@ -530,8 +530,10 @@ class Player extends PrimaryView {
                     }
                     else {
                         // Restart
+                        if (!this.current_keys.has(ev.key)) {
                             this.restart_level();
                         }
+                    }
                     return;
                 }
                 // Don't scroll pls