Firefox 71 mouse wheel scrolling on tab bar, set `toolkit.tabbox.switchByScrolling` to false

bindings.xml

<?xml version="1.0"?>
<!--
https://www.reddit.com/r/firefox/comments/afh6th/howto_enable_tab_switching_in_firefox_using_mouse/
http://forums.mozillazine.org/viewtopic.php?p=14851401#p14851401
-->
<bindings xmlns="http://www.mozilla.org/xbl">
  <binding id="tabs-scroll">
    <handlers>
      <handler event="wheel"><![CDATA[
        if (event.metaKey) return;
        if (event.deltaY < 0) {
          gBrowser.tabContainer.advanceSelectedTab(-1, true);
        }
        else {
          gBrowser.tabContainer.advanceSelectedTab(1, true);
        }
        event.stopPropagation();
        event.preventDefault();
      ]]></handler>
    </handlers>
  </binding>
</bindings>

userChrome.css

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
/*
https://www.reddit.com/r/firefox/comments/afh6th/howto_enable_tab_switching_in_firefox_using_mouse/
http://forums.mozillazine.org/viewtopic.php?p=14851401#p14851401
*/
toolbarbutton#tabs-newtab-button,
.tabbrowser-arrowscrollbox {
  -moz-binding: url("bindings.xml#tabs-scroll") !important;
}