Make the frontend allow 0 / false etc as default values in user configuration

vue/Process/Workers/Configurations/Form.vue

@@ -110,8 +110,7 @@ export default {
       if (!this.schema) return
       const filledForm = {}
       for (const property in this.schema) {
-        filledForm[property] = ''
-        if (this.schema[property].default) filledForm[property] = this.schema[property].default
+        filledForm[property] = this.schema[property].default ?? ''
       }
       return filledForm
     },