fix client desync

src/main/java/appeng/container/implementations/ContainerInterface.java

@@ -21,6 +21,7 @@ package appeng.container.implementations;
 
 import appeng.api.config.Upgrades;
 import appeng.container.slot.*;
+import appeng.util.Platform;
 import net.minecraft.entity.player.InventoryPlayer;
 
 import appeng.api.config.SecurityPermissions;
@@ -43,6 +44,9 @@ public class ContainerInterface extends ContainerUpgradeable implements IOptiona
 	@GuiSync( 4 )
 	public YesNo iTermMode = YesNo.YES;
 
+	@GuiSync( 7 )
+	public int patternExpansions = 0;
+
 	public ContainerInterface( final InventoryPlayer ip, final IInterfaceHost te )
 	{
 		super( ip, te.getInterfaceDuality().getHost() );
@@ -103,9 +107,22 @@ public class ContainerInterface extends ContainerUpgradeable implements IOptiona
 	public void detectAndSendChanges()
 	{
 		this.verifyPermissions( SecurityPermissions.BUILD, false );
+
+		if (patternExpansions != getPatternUpgrades())
+		{
+			patternExpansions = getPatternUpgrades();
+			this.myDuality.dropExcessPatterns();
+		}
 		super.detectAndSendChanges();
 	}
 
+	@Override
+	public void onUpdate( final String field, final Object oldValue, final Object newValue ) {
+		super.onUpdate(field, oldValue, newValue);
+		if ( Platform.isClient() && field.equals("patternExpansions"))
+			this.myDuality.dropExcessPatterns();
+	}
+
 	@Override
 	protected void loadSettingsFromHost( final IConfigManager cm )
 	{