Summary:
- Forms now have a reset button.
- Choice and Reference fields in forms now have an improved select menu.
- Formula and attachments column types are no longer mappable or visible in forms.
- Fields in a form widget are now removed if their column is deleted.
- The preview button in a published form widget has been replaced with a view button. It now opens the published form in a new tab.
- A new share menu for published form widgets, with options to copy a link or embed code.
- Forms can now have multiple sections.
- Form widgets now indicate when publishing is unavailable (e.g. in forks or unsaved documents).
- General improvements to form styling.
Test Plan: Browser tests.
Reviewers: jarek
Reviewed By: jarek
Subscribers: paulfitz
Differential Revision: https://phab.getgrist.com/D4203
