Disable group elements on group disable rule

[max-elia]

• Pass enabled prop to individual group elements
  Closes Disable rule on group does not disable contents. #1586

To Reproduce:

export const schema = {
  type: 'object',
  properties: {
    name: {
      type: 'string',
      minLength: 3,
      description: 'Please enter your name'
    },
    birthDate: {
      type: 'string',
      format: 'date'
    }
  }
};

export const uischema = {
  type: 'Group',
  label: 'My Group',
  elements: [
    {
      type: 'Control',
      label: 'Name',
      scope: '#/properties/name'
    },
    {
      type: 'Control',
      label: 'Birth Date',
      scope: '#/properties/birthDate'
    }
  ],
  options: {
    readonly: true
  },
};

Signed-off-by: Max Elia Schweigkofler max_elia@hotmail.de

[coveralls]

Coverage increased (+0.008%) to 88.988% when pulling 122ccb3 on max-elia:disable-group-elements into 81e4dd6 on eclipsesource:master.

[TheZoker]

LGTM, tested all changed elements and the disabled prop seems to work fine, thanks! 👍

[sdirix]

LGTM, thanks!