fix(typing-avatar): hide tooltip from screen reader (#1429)

* fix(typing-avatar): hide tooltip from screen reader

* fix(typing-avatar): hide tooltip before element by default

Author: mkesavan13

packages/node_modules/@webex/react-component-typing-avatar/src/styles.css

@@ -23,6 +23,7 @@
 }
 /* Tooltip styling */
 [data-tooltip]:before {
+  display: none;
   position: absolute;
   bottom: 100%;
   left: 50%;
@@ -42,6 +43,7 @@
 
 /* Tooltip Bottom Arrow */
 [data-tooltip]:after {
+  display: none;
   content: '';
   opacity: 0;
   position: absolute;
@@ -59,5 +61,6 @@
 /* Show the tooltip when hovering */
 [data-tooltip]:hover:before,
 [data-tooltip]:hover:after {
+  display: unset;
   opacity: 1;
 }