Update jitsi iFrame and API

Adjst some callbacks and configs to be compatible with the newest jitsi
release. This is compatible with both our current jitsi server as
well as the newest jitsi releases

client/src/app/site/interaction/services/rtc.service.ts

@@ -63,11 +63,14 @@ const configOverwrite = {
     enableFeaturesBasedOnToken: false,
     disableThirdPartyRequests: true,
     enableNoAudioDetection: false,
-    enableNoisyMicDetection: false
+    enableNoisyMicDetection: false,
+    hideLobbyButton: true,
+    prejoinPageEnabled: false
 };
 
 const interfaceConfigOverwrite = {
     DISABLE_VIDEO_BACKGROUND: true,
+    DISABLE_FOCUS_INDICATOR: true,
     INVITATION_POWERED_BY: false,
     DISABLE_JOIN_LEAVE_NOTIFICATIONS: true,
     DISABLE_PRESENCE_STATUS: true,