fix(thumbnail) Fixed screensharing indicator tooltip (#10780)

lang/main.json

@@ -1137,6 +1137,7 @@
         "muted": "Muted",
         "videoMuted": "Camera disabled",
         "remoteControl": "Start / Stop remote control",
+        "screenSharing": "Participant is sharing their screen",
         "show": "Show on stage",
         "videomute": "Participant has stopped the camera"
     },

react/features/filmstrip/components/web/ScreenShareIndicator.js

@@ -26,7 +26,7 @@ export default function ScreenShareIndicator(props: Props) {
             icon = { IconShareDesktop }
             iconId = 'share-desktop'
             iconSize = { 15 }
-            tooltipKey = 'videothumbnail.videomute'
+            tooltipKey = 'videothumbnail.screenSharing'
             tooltipPosition = { props.tooltipPosition } />
     );
 }