Forgot to check for insert-only in external fluid storages

src/main/java/com/raoulvdberge/refinedstorage/tile/externalstorage/FluidStorageExternal.java

@@ -86,6 +86,10 @@ public class FluidStorageExternal implements IFluidStorage {
 
     @Override
     public int getCacheDelta(int storedPreInsertion, int size, @Nullable FluidStack remainder) {
+        if (getAccessType() == AccessType.INSERT) {
+            return 0;
+        }
+        
         return remainder == null ? size : (size - remainder.amount);
     }
 

src/main/java/com/raoulvdberge/refinedstorage/tile/externalstorage/ItemStorageExternal.java

@@ -15,7 +15,7 @@ public abstract class ItemStorageExternal implements IItemStorage {
     public abstract int getCapacity();
 
     public void detectChanges(INetworkMaster network) {
-        // if we are insert-only, we don't care about sending changes
+        // If we are insert only, we don't care about sending changes
         if (getAccessType() == AccessType.INSERT) {
             return;
         }