Gravity Forms Help Scout Addon 2.3.0

- Added security enhancements.
- Updated the get conversation requests for the entries list and detail pages to cache the conversations for one hour to reduce the number of requests to the Help Scout API.
- Updated the Assignee setting so the choices are arranged into Teams and Users optgroups.
- Fixed a performance issue with the link in the Conversation ID column of the entries list page which caused a 500 error on some hosting environments.
- Fixed the Destination Mailbox setting only listing the first 50 mailboxes.

- Fixed a performance issue with the link in the Conversation ID column of the entries list page which caused a 500 error on some hosting environments.

- Updated the get conversation requests for the entries list and detail pages to cache the conversations for one hour to reduce the number of requests to the Help Scout API.