Update lastSentToPhone after sendTelemetry (#2522)

src/modules/Telemetry/EnvironmentTelemetry.cpp

@@ -116,6 +116,7 @@ int32_t EnvironmentTelemetryModule::runOnce()
             // Just send to phone when it's not our time to send to mesh yet
             // Only send while queue is empty (phone assumed connected)
             sendTelemetry(NODENUM_BROADCAST, true);
+            lastSentToPhone = now;
         }
     }
     return min(sendToPhoneIntervalMs, result);