Notify the parent container of a lot more thoroughly when the slot is changed (i.e. items taken from it).

And then make use of that to invalidate the validation state of the crafting pattern in the Molecular Assembler when the pattern is changed.

src/main/java/appeng/client/gui/AEBaseGui.java

@@ -64,7 +64,7 @@ import appeng.client.me.SlotME;
 import appeng.client.render.StackSizeRenderer;
 import appeng.container.AEBaseContainer;
 import appeng.container.slot.*;
-import appeng.container.slot.AppEngSlot.hasCalculatedValidness;
+import appeng.container.slot.AppEngSlot.CalculatedValidity;
 import appeng.core.AELog;
 import appeng.core.AppEng;
 import appeng.core.sync.network.NetworkHandler;
@@ -701,7 +701,8 @@ public abstract class AEBaseGui<T extends AEBaseContainer> extends ContainerScre
                 }
 
                 if (!is.isEmpty() && s instanceof AppEngSlot) {
-                    if (((AppEngSlot) s).getIsValid() == hasCalculatedValidness.NotAvailable) {
+                    AppEngSlot aeSlot = (AppEngSlot) s;
+                    if (aeSlot.getIsValid() == CalculatedValidity.NotAvailable) {
                         boolean isValid = s.isItemValid(is) || s instanceof SlotOutput
                                 || s instanceof AppEngCraftingSlot || s instanceof SlotDisabled
                                 || s instanceof SlotInaccessible || s instanceof SlotFake
@@ -713,11 +714,10 @@ public abstract class AEBaseGui<T extends AEBaseContainer> extends ContainerScre
                                 AELog.debug(err);
                             }
                         }
-                        ((AppEngSlot) s)
-                                .setIsValid(isValid ? hasCalculatedValidness.Valid : hasCalculatedValidness.Invalid);
+                        aeSlot.setIsValid(isValid ? CalculatedValidity.Valid : CalculatedValidity.Invalid);
                     }
 
-                    if (((AppEngSlot) s).getIsValid() == hasCalculatedValidness.Invalid) {
+                    if (aeSlot.getIsValid() == CalculatedValidity.Invalid) {
                         setBlitOffset(100);
                         this.itemRenderer.zLevel = 100.0F;