Bug fixes

Upgrade to @sentry/browser 5.18.0

Note: Raven module 7.x-3.x should be a drop-in replacement for any version of 7.x-2.x

Bugfix Release.

Issue #3154305 by lhridley: Undefined variable: field_data

Switching from using bitwise to logical or in version in composer.

• Refactored the embedded registration form.
• Added duplicate participant email validation.
• Fixed erf_commerce product variation validation error.

Minor bug fixes & Drupal 9 readiness.

Following bugs are fixed in this release.

Bug fix: set 'add help' url query destination to a string instead of the url object