Fix falsy value being treated as undefined

packages/core/src/data_sources/model/collection_component/CollectionComponent.ts

@@ -67,7 +67,6 @@ export default class CollectionComponent extends Component {
 
   private getBlockDefinition() {
     const firstChild = this.components().at(0)?.toJSON() || {};
-    console.log('🚀 ~ CollectionComponent ~ getBlockDefinition ~ firstChild:', firstChild);
     return firstChild;
   }
 

packages/core/src/dom_components/model/Component.ts

@@ -978,7 +978,7 @@ export default class Component extends StyleableModel<ComponentProperties> {
       const value = trait.getInitValue();
 
       if (trait.changeProp) {
-        !this.get(name) && this.set(name, value);
+        isUndefined(this.get(name)) && this.set(name, value);
       } else {
         if (name && value) attrs[name] = value;
       }