SPIGOT-2790: Remove negative item ID filtering again

nms-patches/ItemStack.patch

@@ -20,7 +20,7 @@
  public final class ItemStack {
  
      public static final ItemStack a = new ItemStack((Item) null);
-@@ -46,6 +59,15 @@
+@@ -46,28 +59,49 @@
          this.item = item;
          this.damage = j;
          this.count = i;
@@ -34,9 +34,11 @@
 +        }
 +        // CraftBukkit end
          if (this.damage < 0) {
-             this.damage = 0;
+-            this.damage = 0;
++            // this.damage = 0; // CraftBukkit - remove this.
          }
-@@ -54,20 +76,32 @@
+ 
+         this.F();
      }
  
      private void F() {
@@ -52,7 +54,7 @@
 -        this.damage = Math.max(0, nbttagcompound.getShort("Damage"));
 +        // CraftBukkit start - Route through setData for filtering
 +        // this.damage = Math.max(0, nbttagcompound.getShort("Damage"));
-+        this.setData(Math.max(0, nbttagcompound.getShort("Damage")));
++        this.setData(nbttagcompound.getShort("Damage"));
 +        // CraftBukkit end
 +
          if (nbttagcompound.hasKeyOfType("tag", 10)) {
@@ -247,7 +249,8 @@
 +        // CraftBukkit end
          this.damage = i;
          if (this.damage < 0) {
-             this.damage = 0;
+-            this.damage = 0;
++            // this.damage = 0; // CraftBukkit - remove this.
          }
 -
      }