Refresh slot textures + change assembler slot texture (GregTechCEu#2818)

Author: JuiceyBeans

src/main/java/com/gregtechceu/gtceu/common/data/GTRecipeTypes.java

@@ -114,7 +114,7 @@ public class GTRecipeTypes {
 
     public final static GTRecipeType ASSEMBLER_RECIPES = register("assembler", ELECTRIC).setMaxIOSize(9, 1, 1, 0)
             .setEUIO(IO.IN)
-            .setSlotOverlay(false, false, GuiTextures.CIRCUIT_OVERLAY)
+            .setSlotOverlay(false, false, GuiTextures.SLOT)
             .setProgressBar(GuiTextures.PROGRESS_BAR_ASSEMBLER, LEFT_TO_RIGHT)
             .setSound(GTSoundEntries.ASSEMBLER);