make addWirelessEnergy() use the overworld serverLevel

Author: NegaNote

src/main/java/net/neganote/gtutilities/common/machine/multiblock/PTERBMachine.java

@@ -313,7 +313,7 @@ private void removeWirelessEnergy() {
 
     private void addWirelessEnergy() {
         if (getLevel() instanceof ServerLevel serverLevel) {
-            PTERBSavedData savedData = PTERBSavedData.getOrCreate(serverLevel);
+            PTERBSavedData savedData = PTERBSavedData.getOrCreate(serverLevel.getServer().overworld());
             savedData.addEnergyInputs(frequency, localPowerInput);
             savedData.addEnergyOutputs(frequency, localPowerOutput);
             savedData.saveDataToCache();