Up event usage

src/trait_manager/model/Trait.ts

@@ -234,6 +234,7 @@ export default class Trait extends Model<TraitProperties> {
     const value = this.getTargetValue();
     this.set({ value }, { fromTarget: 1 });
     const props = { trait: this, component, value };
+    component.trigger(TraitsEvents.value, props);
     em?.trigger(TraitsEvents.value, props);
     // This should be triggered for any trait prop change
     em?.trigger('trait:update', props);