Gravity Flow Form Connector 2.4.0

- Fixed formatting issues with the Discussion and Multi Select field entry values when using the New Entry, Update an Entry, and Update Fields steps.
- Fixed the "trim(): Passing null to parameter #1 ($string) of type string is deprecated" notice with PHP 8.1+.
- Fixed an issue where the invalid link message is not displayed when using the link for an expired Form Submission step.
- Fixed an issue with processing field mappings that used both custom key and custom value selections.

- Fixed an issue where Save and Continue links are broken in scenarios involving both Form Submission step and Gravity Forms Partial Entries feed.

- Added uninstall message on Gravity Forms Uninstall Page to clarify what is removed when Form Connector extension is uninstalled.
- Added extension icon.
- Fixed an issue where Form Submission Step would be stuck to 'Pending' with a Destination Form having Save and Continue enabled.
- API: Updated Form Submission step handling of access tokens that affects step status involving Save & Continue.