fix(annotations): fix toggling of default annotation subsources

In 93a57ab a bug was introduced that
prevented default annotation subsources from rendering if they were
enabled, then disabled, then enabled again.

src/ui/annotations.ts

@@ -2043,6 +2043,7 @@ export function UserLayerWithAnnotationsMixin<
         subsourceId: subsourceEntry.id,
         role,
       });
+      this.annotationDisplayState.annotationProperties.value = [];
       this.addAnnotationLayerState(state, loadedSubsource);
     }