All the fields getting dirty after adding fields in repeat section

[saurabh47]

Description
All the fields present in the repeat section getting dirty after adding extra fields & touching one of the mandatory fields in the repeat section.

Minimal Reproduction
Please checkout below example:-
https://stackblitz.com/edit/ngx-formly-ui-ng-zorro-antd-vht62g?file=src%2Fapp%2Frepeat-section%2Frepeat-section.component.html

1. Click on add another Offering button for twice
2. select Offering from the drop-down

After that, all the fields present in the repeat section getting dirty.

Environment

• Angular version: 8.2.14
• Formly version: 5.5.15
• Formly /ng-zorro-antd version: 0.0.1

Thank you so much for this wonderful library

[aitboudad]

fixed by #2087 and it will be part of the next release. For a workaround check my comment #2044 (comment)

[aitboudad]

The workaround can be removed after updating to 5.6.0 version.