The honeypot field needs to be present in the post request

[maesitos]

Description

The filter should also prevent the request from hitting the controller if it does not include the honeypot field.
Bots that have the POST request cached somewhere prior to using this solution are bypassing honeypot-captcha as they are not including the new dummy field.

Related Issue

#60

Motivation and Context

This will also prevent bots with stored requests from sending spam. Especially interesting for forms that have been online for some time.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• 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 read the CONTRIBUTING document.