How to disable fullscreen youtube gated video in wordpress

Product Support
1

hi,
The forms is not shown when the video is play in full screen, i was not able to use youtube parameters to disable full screen …
Any hep will be appreciate

2

Additional informations:

Wodrpress landing page

https://www2.b-a-w.com/performance/planification-connectee-pour-les-rh-avec-anaplan/

youtube vidéo: https://youtu.be/QbjgtTKSBeE