Fixes not being able to pick up items from ME terminals when the network inventory is recalculated each tick for other reasons

src/main/java/appeng/menu/me/common/IncrementalUpdateHelper.java

@@ -74,12 +74,26 @@ public T getBySerial(long serial) {
         return mapping.inverse().get(serial);
     }
 
+    /**
+     * Clear pending changes and prepare for a full update.
+     * <p/>
+     * Mappings are kept because even in case of a full update, many items are usually still present and should keep
+     * their serial.
+     */
     public void clear() {
-        this.mapping.clear();
         this.changes.clear();
         fullUpdate = true;
     }
 
+    /**
+     * Fully resets this helper into its initial state. This will also clear any serial mapping.
+     */
+    public void reset() {
+        clear();
+        this.serial = 0;
+        this.mapping.clear();
+    }
+
     public void addChange(T entry) {
         // Ensure the stack size is not 0 to avoid deleting the mapping by mistake.
         entry = IAEStack.copy(entry, 1);

src/main/java/appeng/menu/me/crafting/CraftingCPUMenu.java

@@ -93,7 +93,7 @@ protected void setCPU(final ICraftingCPU c) {
             this.cpu.craftingLogic.removeListener(cpuChangeListener);
         }
 
-        this.incrementalUpdateHelper.clear();
+        this.incrementalUpdateHelper.reset();
 
         if (c instanceof CraftingCPUCluster) {
             this.cpu = (CraftingCPUCluster) c;