Fix DNS2 self-updater path and sync live dashboard version UI

dashcaddy-api/routes/apps/compose.js

@@ -256,7 +256,9 @@ module.exports = function({ docker, caddy, servicesStateManager, portLockManager
           const existing = docker.client.getContainer(containerName);
           await existing.remove({ force: true });
           await new Promise(r => setTimeout(r, 1000));
-        } catch (_) {}
+        } catch (_) {
+          // No stale container to remove
+        }
 
         const container = await docker.client.createContainer(containerConfig);
         await container.start();