PLT-6823 Removes option to set notification sound in Edge (#6883)

* Remove sound notification support for Edge

* Move the sound test to utils and also stop the dings for Edge along with firefox

* Fix some styling issues

* Remove sound notification support for Edge

Move the sound test to utils and also stop the dings for Edge along with firefox

Fix some styling issues

* Reversing soundOptions util method. Fixing some string IDs for clarity

* Fixing a syntax error

* Restructure HasSoundOptions blocks to not begin with negative statement

* Fixing paranthesis

webapp/utils/utils.jsx

@@ -155,7 +155,7 @@ export function notifyMe(title, body, channel, teamId, duration, silent) {
 var canDing = true;
 
 export function ding() {
-    if (!UserAgent.isFirefox() && canDing) {
+    if (hasSoundOptions() && canDing) {
         var audio = new Audio(bing);
         audio.play();
         canDing = false;
@@ -165,6 +165,10 @@ export function ding() {
     }
 }
 
+export function hasSoundOptions() {
+    return (!(UserAgent.isFirefox()) && !(UserAgent.isEdge()));
+}
+
 export function getDateForUnixTicks(ticks) {
     return new Date(ticks);
 }