Fix broadcast sending to sender multiple times

paper-server/patches/sources/net/minecraft/server/players/PlayerList.java.patch

@@ -1044,8 +1044,8 @@
 +                    : disguised);
 +                continue;
 +            }
++            serverPlayer.sendChatMessage(outgoingChatMessage, flag2, boundChatType, unsignedFunction == null ? null : unsignedFunction.apply(serverPlayer.getBukkitEntity()));
 +            // Paper end
-+            sender.sendChatMessage(outgoingChatMessage, flag2, boundChatType, unsignedFunction == null ? null : unsignedFunction.apply(serverPlayer.getBukkitEntity())); // Paper
              flag1 |= flag2 && message.isFullyFiltered();
          }