add choices, conditionName, conditionValue & contents to arrangeFields

[haroun]

Summary

During startup, apostrophe will display the following warning:

⚠️ widget type apostrophe-forms-checkboxes-field contains unarranged field(s): choices.
Arrange all of your fields with arrangeFields, using meaningful group labels.
https://apos.dev/arrange-fields

apostrophe-forms-checkboxes-field-widgets extends apostrophe-forms-base-field-widgets which has a settings group.

⚠️ widget type apostrophe-forms-conditional contains unarranged field(s): conditionName, conditionValue, contents.
Arrange all of your fields with arrangeFields, using meaningful group labels.
https://apos.dev/arrange-fields

apostrophe-forms-conditional-widgets extends apostrophe-widgets which has no settings group, but it's possible to have extended it on a project.

What are the specific steps to test this change?

1. Start apostrophe e.g. npm start
2. Check stdout for warnings

What kind of change does this PR introduce?

(Check at least one)

• Bug fix
• New feature
• Refactor
• Documentation
• Build-related changes
• Other

Make sure the PR fulfills these requirements:

• It includes a) the existing issue ID being resolved, b) a convincing reason for adding this feature, or c) a clear description of the bug it resolves
• The changelog is updated
• Related documentation has been updated
• Related tests have been updated

If adding a new feature without an already open issue, it's best to open a feature request issue first and wait for approval before working on it.

Other information: