Adds specific class name to kick button.

The class name is similar to the one used for the mute button and is used by the tests to locate and click the button.

react/features/remote-video-menu/components/web/KickButton.js

         return (
             <RemoteVideoMenuButton
                 buttonText = { t('videothumbnail.kick') }
+                displayClass = 'kicklink'
                 iconClass = 'icon-kick'
                 id = { `ejectlink_${participantID}` }
                 // eslint-disable-next-line react/jsx-handler-names