Blank space below the oEmbed facebook video in Mobile device

Hello,

I have an issue: when I put a facebook video in oEmbed, I have a blank space below the video, please see the picture : https://imgur.com/OlPdgsR

Please help…

Here is the html code in production:

<figure class="wp-block-embed-facebook wp-block-embed is-type-video is-provider-facebook"><div class="wp-block-embed__wrapper">
<div id="fb-root" class=" fb_reset"><div style="position: absolute; top: -10000px; width: 0px; height: 0px;"><div></div></div></div><script async="1" defer="1" crossorigin="anonymous" src="https://connect.facebook.net/de_DE/sdk.js#xfbml=1&version=v5.0"></script><div class="fb-video fb_iframe_widget fb_iframe_widget_fluid_desktop" data-href="https://www.facebook.com/ITVCentral/videos/223281255278513/" data-width="1200" fb-xfbml-state="rendered" fb-iframe-plugin-query="app_id=&container_width=700&href=https%3A%2F%2Fwww.facebook.com%2FITVCentral%2Fvideos%2F223281255278513%2F&locale=de_DE&sdk=joey&width=1200"><span style="vertical-align: bottom; width: 1200px; height: 392px;"><iframe name="f1f63893554282e" data-testid="fb:video Facebook Social Plugin" title="fb:video Facebook Social Plugin" allowtransparency="true" allowfullscreen="true" scrolling="no" allow="encrypted-media" style="border: medium none; visibility: visible; width: 1200px; height: 392px;" src="https://www.facebook.com/v5.0/plugins/video.php?app_id=&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Df20cf58655e97c%26domain%3Dmonoroom.info%26origin%3Dhttps%253A%252F%252Fmonoroom.info%252Ff31dce697e25a78%26relation%3Dparent.parent&container_width=700&href=https%3A%2F%2Fwww.facebook.com%2FITVCentral%2Fvideos%2F223281255278513%2F&locale=de_DE&sdk=joey&width=1200" class="" width="1200px" height="1000px" frameborder="0"></iframe></span></div>
</div></figure>

And here is my config:
WP: 5.7
PHP: 8.0.3

Thanks