fix: Use correctly calculated polling delay instead of base interval. (#178)

Author: kinyoklion

libs/client-sdk/src/data_sources/polling_data_source.cpp

@@ -185,7 +185,7 @@ void PollingDataSource::StartPollingTimer() {
         polling_interval_ - time_since_poll_seconds, std::chrono::seconds(0)));
 
     timer_.cancel();
-    timer_.expires_after(polling_interval_);
+    timer_.expires_after(delay);
 
     auto weak_self = weak_from_this();