fix scrolling

src/app/services/chat.service.ts

@@ -140,12 +140,20 @@ export class ChatService {
       return this.http.get(environment.apiChatUrl+'users.info', opts);
     }
 
+    setUserStatus(body:any){
+      let opts = {
+        headers: this.headers,
+      }
+      return this.http.post(environment.apiChatUrl+'users.setStatus', body, this.options);
+    }
+
     removeChatRoom(body:any){
       let opts = {
         headers: this.headers,
       }
       return this.http.post(environment.apiChatUrl+'im.close', body, this.options);
     }
+
     createRoom(body:any){
       return this.http.post(environment.apiChatUrl+'im.create', body, this.options);
     }
@@ -164,6 +172,7 @@ export class ChatService {
     addGroup(body:any){
       return this.http.post(environment.apiChatUrl+'groups.create', body, this.options);
     }
+
     getGroupMembers(roomId:string){
       let params = new HttpParams();
       let url=environment.apiChatUrl+'groups.members';