Add Solution to Common Gravity Forms Related issues

[gicolek]

I found a neat workaround related to the issues with Gravity Forms inline JavaScript
and our defer tags that causes the forms to bug out in some case scenarios.

https://bjornjohansen.no/load-gravity-forms-js-in-footer (edited)
This solves 90% of the javascript issues related to Gravity Forms.

Please add that to the documentation under WordPress common issues.

[luboskmetko]

Added into the new section at the bottom of this page https://www.getchisel.co/docs/development/wordpress/