Add filter to disable tweeting based on post status change.

[rickalee]

Issue with disabling tweeting on transition from a custom post status. Adding filter to allow disabling of tweet based on $post, $old_status or $new_status.

Description of the Change

Alternate Designs

Benefits

Possible Drawbacks

Verification Process

Checklist:

• I have read the CONTRIBUTING document.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my change.
• All new and existing tests passed.

Applicable Issues

Changelog Entry

[johnwatkins0]

Thanks, @rickalee!