SPIGOT-6615 Fix Glow Item Frame to use EntityTagMeta

src/main/java/org/bukkit/craftbukkit/entity/CraftGlowItemFrame.java

@@ -22,6 +22,6 @@ public class CraftGlowItemFrame extends CraftItemFrame implements GlowItemFrame
 
     @Override
     public String toString() {
-        return "CraftGlowItemFrame";
+        return "CraftGlowItemFrame{item=" + getItem() + ", rotation=" + getRotation() + "}";
     }
 }

src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java

@@ -264,6 +264,7 @@ public final class CraftItemFactory implements ItemFactory {
         case PUFFERFISH_BUCKET:
         case SALMON_BUCKET:
         case ITEM_FRAME:
+        case GLOW_ITEM_FRAME:
         case PAINTING:
             return meta instanceof CraftMetaEntityTag ? meta : new CraftMetaEntityTag(meta);
         case COMPASS:

src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java

@@ -533,6 +533,7 @@ public final class CraftItemStack extends ItemStack {
             case PUFFERFISH_BUCKET:
             case SALMON_BUCKET:
             case ITEM_FRAME:
+            case GLOW_ITEM_FRAME:
             case PAINTING:
                 return new CraftMetaEntityTag(item.getTag());
             case COMPASS:

src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaEntityTag.java

@@ -69,6 +69,7 @@ public class CraftMetaEntityTag extends CraftMetaItem {
             case PUFFERFISH_BUCKET:
             case SALMON_BUCKET:
             case ITEM_FRAME:
+            case GLOW_ITEM_FRAME:
             case PAINTING:
                 return true;
             default: