Fix Player Profile textures being duplicated - Fixes #3667

Spigot-Server-Patches/0154-Basic-PlayerProfile-API.patch

@@ -7,10 +7,10 @@ Establishes base extension of profile systems for future edits too
 
 diff --git a/src/main/java/com/destroystokyo/paper/profile/CraftPlayerProfile.java b/src/main/java/com/destroystokyo/paper/profile/CraftPlayerProfile.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..d73de9eb89c4e3a748907f2da21a3072cc6b7f41
+index 0000000000000000000000000000000000000000..293b73f4747f48dbf8b6a8453d3fc777de11588d
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/profile/CraftPlayerProfile.java
-@@ -0,0 +1,296 @@
+@@ -0,0 +1,297 @@
 +package com.destroystokyo.paper.profile;
 +
 +import com.destroystokyo.paper.PaperConfig;
@@ -220,6 +220,7 @@ index 0000000000000000000000000000000000000000..d73de9eb89c4e3a748907f2da21a3072
 +        }
 +
 +        for (Property property : sourceProperties.values()) {
++            targetProperties.removeAll(property.getName());
 +            targetProperties.put(property.getName(), property);
 +        }
 +    }
@@ -466,6 +467,48 @@ index ed32242bd169e9f28607942aa31aa48a5799b215..54f80cb8e1b771f2a493543e04f8bc83
      public MinecraftSessionService getMinecraftSessionService() {
          return this.minecraftSessionService;
      }
+diff --git a/src/main/java/net/minecraft/server/TileEntitySkull.java b/src/main/java/net/minecraft/server/TileEntitySkull.java
+index 177cceb77f8783fe93ba7e4342de9c589f155c1b..83faa9dc5f74df4609cab34a66e4feed12990463 100644
+--- a/src/main/java/net/minecraft/server/TileEntitySkull.java
++++ b/src/main/java/net/minecraft/server/TileEntitySkull.java
+@@ -158,6 +158,7 @@ public class TileEntitySkull extends TileEntity /*implements ITickable*/ { // Pa
+     private void f() {
+         // Spigot start
+         GameProfile profile = this.gameProfile;
++        if (profile != null && profile.isComplete() && profile.getProperties().containsKey("textures")) return; // Paper
+         b(profile, new Predicate<GameProfile>() {
+ 
+             @Override
+@@ -178,7 +179,16 @@ public class TileEntitySkull extends TileEntity /*implements ITickable*/ { // Pa
+             } else if (MinecraftServer.getServer() == null) {
+                 callback.apply(gameprofile);
+             } else {
+-                GameProfile profile = skinCache.getIfPresent(gameprofile.getName().toLowerCase(java.util.Locale.ROOT));
++                // Paper start
++                com.destroystokyo.paper.profile.CraftPlayerProfile paperProfile = new com.destroystokyo.paper.profile.CraftPlayerProfile(gameprofile);
++                if (sync) {
++                    // might complete by cache, but if not, go ahead and do it now, avoid the code below
++                    paperProfile.complete(true, true);
++                } else {
++                    paperProfile.completeFromCache(false, true);
++                }
++                GameProfile profile = paperProfile.getGameProfile();
++                // Paper end
+                 if (profile != null && Iterables.getFirst(profile.getProperties().get("textures"), (Object) null) != null) {
+                     callback.apply(profile);
+ 
+@@ -187,7 +197,10 @@ public class TileEntitySkull extends TileEntity /*implements ITickable*/ { // Pa
+                     Callable<GameProfile> callable = new Callable<GameProfile>() {
+                         @Override
+                         public GameProfile call() {
+-                            final GameProfile profile = skinCache.getUnchecked(gameprofile.getName().toLowerCase(java.util.Locale.ROOT));
++                            // Paper start
++                            paperProfile.complete(true, true);
++                            final GameProfile profile = paperProfile.getGameProfile();
++                            // Paper end
+                             MinecraftServer.getServer().processQueue.add(new Runnable() {
+                                 @Override
+                                 public void run() {
 diff --git a/src/main/java/net/minecraft/server/UserCache.java b/src/main/java/net/minecraft/server/UserCache.java
 index 581199e6dcddb3692ccc6b6cf6c42fa5ef1f5e7e..39d2f83531d539fb96824c2e6a9018c12ea75272 100644
 --- a/src/main/java/net/minecraft/server/UserCache.java