Stop item pipes from self-inserting their own extractions (#1021)

Author: Swedz

src/main/java/aztech/modern_industrialization/pipes/item/ItemNetwork.java

@@ -278,6 +278,9 @@ private static int insertTargets(List<InsertTarget> targets, ServerLevel world,
         int moved = 0;
 
         for (InsertTarget target : targets) {
+            if (source.connection() == target.connection()) {
+                continue;
+            }
             var stack = source.storage().getStackInSlot(sourceSlot);
             if (stack.isEmpty()) {
                 break;