isStickSession method
Implementation
@override
Future<bool> isStickSession(
String sessionId, NIMSessionType sessionType) async {
if (stickTopSessionList == null) {
await _updateStickTopSessionList();
}
return stickTopSessionList?.indexWhere((element) =>
element.sessionId == sessionId &&
element.sessionType == sessionType) !=
-1;
}