Handle ICE state failed

- Handle sending call end on ICE state failed
- Minor fix for startcall function

GitLab: 189
Change-Id: Iae4353614d22b3b6856b58babee7d8feea8c8f82
diff --git a/client/src/components/ConversationView.tsx b/client/src/components/ConversationView.tsx
index 146f049..064efcf 100644
--- a/client/src/components/ConversationView.tsx
+++ b/client/src/components/ConversationView.tsx
@@ -83,10 +83,10 @@
         </Typography>
       </Stack>
       <Stack direction="row" spacing="20px">
-        <StartAudioCallButton onClick={() => startCall(conversationId, 'caller')} />
+        <StartAudioCallButton onClick={() => startCall(conversationId)} />
         <StartVideoCallButton
           onClick={() =>
-            startCall(conversationId, 'caller', {
+            startCall(conversationId, {
               isVideoOn: true,
             })
           }