fix: keep other plugins' slot display for food on their furniture

src/main/java/net/tfminecraft/cooking/cache/FurnitureCache.java

@@ -90,4 +90,10 @@ public static boolean isBowl(Furniture f) {
     public static boolean isMealHolder(Furniture f) {
         return isBowl(f) || isPlate(f);
     }
+
+    // Other plugins' furniture (pedestals, displays) keeps its own slot display.
+    public static boolean isCookingFurniture(Furniture f) {
+        return f.getType() != null
+            && f.getType().getItemPath().toLowerCase().startsWith("ia.tfmc_cooking:");
+    }
 }

src/main/java/net/tfminecraft/cooking/manager/PlateManager.java

@@ -244,7 +244,7 @@ public void interact(FurnitureInteractEvent e) {
     @EventHandler
     public void addItem(FurnitureSlotItemAddEvent e) {
         Furniture f = e.getFurniture();
-        if(FurnitureCache.isMealHolder(f));
+        if(!FurnitureCache.isCookingFurniture(f)) return;
         ItemStack item = e.getItem();
         FoodItem fi = FoodItem.fromItem(item);
         if(fi == null) return;

src/test/java/net/tfminecraft/cooking/cache/CookingFurnitureTest.java

@@ -0,0 +1,37 @@
+package net.tfminecraft.cooking.cache;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import org.junit.jupiter.api.Test;
+
+import net.tfminecraft.interactiblefurniture.furniture.Furniture;
+import net.tfminecraft.interactiblefurniture.furniture.FurnitureType;
+
+class CookingFurnitureTest {
+
+    @Test
+    void cookingFurnitureIsRecognised() {
+        assertTrue(FurnitureCache.isCookingFurniture(furniture("ia.tfmc_cooking:plate")));
+    }
+
+    @Test
+    void magicPedestalIsNotCookingFurniture() {
+        assertFalse(FurnitureCache.isCookingFurniture(furniture("ia.tfmc:pedestal")));
+    }
+
+    @Test
+    void furnitureWithoutTypeIsNotCookingFurniture() {
+        assertFalse(FurnitureCache.isCookingFurniture(mock(Furniture.class)));
+    }
+
+    private static Furniture furniture(String itemPath) {
+        FurnitureType type = mock(FurnitureType.class);
+        when(type.getItemPath()).thenReturn(itemPath);
+        Furniture furniture = mock(Furniture.class);
+        when(furniture.getType()).thenReturn(type);
+        return furniture;
+    }
+}