Fix another case of missing chat headers

patches/server/0895-Fix-command-preprocess-cancelling-and-command-changi.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Fix command preprocess cancelling and command changing
 
 
 diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
-index e88c82aac6d9947c7205f865c18146e7a5756b40..1ff25ce408aba3620455f74e1535b5862b3bbdf9 100644
+index e88c82aac6d9947c7205f865c18146e7a5756b40..8ae8055c185237a76159285c8fce3aacc295fb3b 100644
 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 @@ -2259,13 +2259,24 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
@@ -38,3 +38,11 @@ index e88c82aac6d9947c7205f865c18146e7a5756b40..1ff25ce408aba3620455f74e1535b586
          // CraftBukkit end
          Iterator iterator = map.values().iterator();
  
+@@ -2569,6 +2580,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+                 }
+             });
+         } else if (this.player.getChatVisibility() == ChatVisiblity.SYSTEM) { // Re-add "Command Only" flag check
++            this.server.getPlayerList().broadcastMessageHeader(message, Set.of()); // Paper
+             this.send(new ClientboundSystemChatPacket(Component.translatable("chat.cannotSend").withStyle(ChatFormatting.RED), false));
+         } else {
+             this.chat(s, message, true);