Uniformize WebSocketMessageType

Change-Id: I26d0f193804773d5835413deb4f4e26d30ea711a
diff --git a/server/src/websocket/chat-handler.ts b/server/src/websocket/chat-handler.ts
index 161203b..8789544 100644
--- a/server/src/websocket/chat-handler.ts
+++ b/server/src/websocket/chat-handler.ts
@@ -27,10 +27,10 @@
 
 export function bindChatCallbacks() {
   webSocketServer.bind(
-    WebSocketMessageType.SetIsComposing,
+    WebSocketMessageType.ComposingStatus,
     (accountId, { contactId, conversationId, isWriting }: ComposingStatus) => {
       if (contactId !== undefined) {
-        log.warn('SetIsComposing expects contactId to be undefined');
+        log.warn('ComposingStatus expects contactId to be undefined');
         return;
       }