Update to Minecraft 1.17

By: md_5 <git@md-5.net>

paper-server/nms-patches/net/minecraft/world/item/ItemSkullPlayer.patch

@@ -1,10 +1,11 @@
 --- a/net/minecraft/world/item/ItemSkullPlayer.java
 +++ b/net/minecraft/world/item/ItemSkullPlayer.java
-@@ -50,6 +50,15 @@
-             nbttagcompound.set("SkullOwner", GameProfileSerializer.serialize(new NBTTagCompound(), gameprofile));
-             return true;
-         } else {
+@@ -51,6 +51,16 @@
+             TileEntitySkull.a(gameprofile, (gameprofile1) -> {
+                 nbttagcompound.set("SkullOwner", GameProfileSerializer.serialize(new NBTTagCompound(), gameprofile1));
+             });
 +            // CraftBukkit start
++        } else {
 +            net.minecraft.nbt.NBTTagList textures = nbttagcompound.getCompound("SkullOwner").getCompound("Properties").getList("textures", 10); // Safe due to method contracts
 +            for (int i = 0; i < textures.size(); i++) {
 +                if (textures.get(i) instanceof NBTTagCompound && !((NBTTagCompound) textures.get(i)).hasKeyOfType("Signature", 8) && ((NBTTagCompound) textures.get(i)).getString("Value").trim().isEmpty()) {
@@ -13,6 +14,6 @@
 +                }
 +            }
 +            // CraftBukkit end
-             return false;
          }
+ 
      }