message: Show error message when trying to submit without selecting an emissions factor in that mode
diff: @@ -474,6 +474,11 @@ const RequestAudit: FC<RequestAuditProps> = ({ roles, signedInAddress }) => {
  aria-hidden="true"
  />
  </div>}
  + {validated && formErrors && formErrors.emissions_factor_uuid && <>
  + <span className="is-invalid"></span>
  + <Form.Control.Feedback type="invalid">
  + {(formErrors && formErrors.emissions_factor_uuid) || "This value is required"}
  + </Form.Control.Feedback></>}
  </>}
  </>}
  