fix: Ignore startup triggers from cameras without the trigger capability (#2621)

- Closes: #2103

tests/test-utils.ts

@@ -381,6 +381,7 @@ export const createCapabilities = (capabilities?: CapabilitiesRaw): Capabilities
     recordings: false,
     seek: false,
     snapshots: false,
+    trigger: true,
     ...capabilities,
   });
 };