Fix the webchat sitting under our components

src/digital-components/salesforce-webchat/salesforce-webchat.vue

@@ -130,6 +130,9 @@ export default {
 </script>
 
 <style lang="scss">
+.embedded-messaging > .embeddedMessagingFrame[class~="isMaximized"] {
+    z-index: 9999 !important;
+}
 .dockableContainer {
     &.showDockableContainer {
         color: $gray-600;