message: cleanup field renderer invocation
diff: <FieldRenderer
  @field={{this.selectedField}}
  @mode="schema"
  - @position={{this.selectedField.position}}
  @setNeededWhenEmbedded={{action this.setNeededWhenEmbedded}}
  @setFieldName={{action this.setFieldName}}
  - @setPosition={{action this.setPosition}}
  />
  {{/if}}
  </div>
  