small tweak to allow immediate HK generation

src/fsfw/housekeeping/PeriodicHousekeepingHelper.cpp

@@ -34,4 +34,6 @@ void PeriodicHousekeepingHelper::changeCollectionInterval(float newIntervalSecon
   }
   collectionInterval = newIntervalSeconds;
   hkGenerationCd.setTimeout(intervalMs);
+  // We want an immediate HK packet at the start, so time out the generation CD immediately.
+  hkGenerationCd.timeOut();
 }