fix: apply default value of child to parent object

fixes #103

Author: albanm

lib/mixins/ObjectContainer.js

@@ -114,6 +114,10 @@ export default {
       if (value === undefined) {
         value = this.defaultValue(schema)
         if (schema.default !== undefined) value = JSON.parse(JSON.stringify(schema.default))
+        if (value !== undefined && value !== null) {
+          this.$set(wrapper, modelKey, value)
+          this.$emit('input', this.value)
+        }
       }
       return h('v-jsf', {
         props: {