add savedData to overworld data storage before manually saving it

Author: NegaNote

src/main/java/net/neganote/gtutilities/saveddata/PTERBSavedData.java

@@ -230,6 +230,7 @@ public void removeEnergyOutputs(int freq, List<IMultiPart> parts) {
 
     public void saveDataToCache() {
         if (isDirty()) {
+            serverLevel.getDataStorage().set(DATA_NAME, this);
             serverLevel.getDataStorage().save();
             setDirty(false);
         }