Smooth Scroll not compatible with WP bakery Buttons

Hello!

i'm using GP Premium with WP Bakery Page Builder. I enabled smooth-scroll support in the customizer.

When adding the smooth-scroll class to the button nothing happens, and the screen jumps to the anchor point. This is because WP-Bakery doesn't add the class to the <a>-tag but the parent <div>.

<div class="vc_btn3-container smooth-scroll vc_btn3-inline">
<a style="background-color:#e80930; color:#ffffff;" class="vc_general vc_btn3 vc_btn3-size-md vc_btn3-shape-square vc_btn3-style-custom" href="#kontakt" title="Beratung vereinbaren">Beratung vereinbaren</a>
</div>

Now my question is if it is possible to make this compatible? Or - the better solution from my POV - to enable smooth scrolling for all anchor-links regardless of class. Is this possible? :)

Regards,
Maurice