Milestone M30 - retry logic for authorization, country code bug fix and more

Let's go through what we got done in Milestone M30 (Feb 10 - Feb 23).

Enhancements

• Added retry logic for authorization errors for Google Sheets integration.

• Skipped cloning email notifications while cloning form.

• Removed stale attachments and fixed image attachments for heading entities.

• Handled post-submission jobs gracefully when form is soft deleted.

Bug fixes

• Fixed page crashes while accessing closed forms.

• Fixed issues with automation rule matching for custom date fields.

• Fixed authorization related bug for Zapier integration.

• Prevented users with read-only access from managing fields and field values.

• Fixed a bug where country code for phone number element was not showing up in iOS.