[MUI2] Fix Theme Deserialization (#4373)

Author: ghzdude

src/main/java/com/gregtechceu/gtceu/client/ClientProxy.java

@@ -12,6 +12,7 @@
 import com.gregtechceu.gtceu.api.item.LampBlockItem;
 import com.gregtechceu.gtceu.api.item.QuantumTankMachineItem;
 import com.gregtechceu.gtceu.api.mui.animation.AnimatorManager;
+import com.gregtechceu.gtceu.api.mui.drawable.DrawableSerialization;
 import com.gregtechceu.gtceu.client.model.item.FacadeUnbakedModel;
 import com.gregtechceu.gtceu.client.model.machine.MachineModelLoader;
 import com.gregtechceu.gtceu.client.mui.CursorHandler;
@@ -88,6 +89,8 @@ public static void init() {
             Layers.registerLayer(OreRenderLayer::new, "ore_veins");
             Layers.registerLayer(FluidRenderLayer::new, "bedrock_fluids");
             ForgeCommonEventListener.registerCapes(new RegisterGTCapesEvent());
+
+            DrawableSerialization.init();
         }
         initializeDynamicRenders();
     }

src/main/java/com/gregtechceu/gtceu/forge/ForgeCommonEventListener.java

@@ -22,6 +22,7 @@
 import com.gregtechceu.gtceu.api.machine.MetaMachine;
 import com.gregtechceu.gtceu.api.machine.feature.IInteractedMachine;
 import com.gregtechceu.gtceu.api.misc.virtualregistry.VirtualEnderRegistry;
+import com.gregtechceu.gtceu.api.mui.theme.ThemeManager;
 import com.gregtechceu.gtceu.api.pattern.MultiblockWorldSavedData;
 import com.gregtechceu.gtceu.api.registry.GTRegistries;
 import com.gregtechceu.gtceu.common.capability.EnvironmentalHazardSavedData;
@@ -258,6 +259,7 @@ public static void registerReloadListeners(AddReloadListenerEvent event) {
         event.addListener(new GTOreLoader());
         event.addListener(new BedrockFluidLoader());
         event.addListener(new BedrockOreLoader());
+        event.addListener(new ThemeManager());
     }
 
     @SubscribeEvent