Allow using signs inside spawn protection

paper-server/patches/sources/net/minecraft/server/network/ServerGamePacketListenerImpl.java.patch

@@ -1050,10 +1050,12 @@
          if (this.player.hasClientLoaded()) {
              this.player.connection.ackBlockChangesUpTo(packet.getSequence());
              ServerLevel worldserver = this.player.serverLevel();
-@@ -1244,6 +1828,7 @@
+@@ -1243,7 +1827,8 @@
+                         int i = this.player.level().getMaxY();
  
                          if (blockposition.getY() <= i) {
-                             if (this.awaitingPositionFromClient == null && worldserver.mayInteract(this.player, blockposition)) {
+-                            if (this.awaitingPositionFromClient == null && worldserver.mayInteract(this.player, blockposition)) {
++                        if (this.awaitingPositionFromClient == null && (worldserver.mayInteract(this.player, blockposition) || (worldserver.paperConfig().spawn.allowUsingSignsInsideSpawnProtection && worldserver.getBlockState(blockposition).getBlock() instanceof net.minecraft.world.level.block.SignBlock))) { // Paper - Allow using signs inside spawn protection
 +                                this.player.stopUsingItem(); // CraftBukkit - SPIGOT-4706
                                  InteractionResult enuminteractionresult = this.player.gameMode.useItemOn(this.player, worldserver, itemstack, enumhand, movingobjectpositionblock);
  
@@ -1076,12 +1078,10 @@
          if (this.player.hasClientLoaded()) {
              this.ackBlockChangesUpTo(packet.getSequence());
              ServerLevel worldserver = this.player.serverLevel();
-@@ -1294,8 +1881,49 @@
- 
-                 if (f1 != this.player.getXRot() || f != this.player.getYRot()) {
+@@ -1296,6 +1883,47 @@
                      this.player.absRotateTo(f, f1);
-+                }
-+
+                 }
+ 
 +                // CraftBukkit start
 +                // Raytrace to look for 'rogue armswings'
 +                double d0 = this.player.getX();
@@ -1112,8 +1112,8 @@
 +                        cancelled = event.useItemInHand() == Event.Result.DENY;
 +                    }
 +                    this.player.gameMode.firedInteract = false;
-                 }
- 
++                }
++
 +                if (cancelled) {
 +                    this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524
 +                    return;
@@ -2177,7 +2177,7 @@
          this.player.resetLastActionTime();
          if (this.player.containerMenu.containerId == packet.containerId() && !this.player.isSpectator()) {
              if (!this.player.containerMenu.stillValid(this.player)) {
-@@ -1945,7 +3273,44 @@
+@@ -1945,6 +3273,43 @@
  
              boolean flag1 = packet.slotNum() >= 1 && packet.slotNum() <= 45;
              boolean flag2 = itemstack.isEmpty() || itemstack.getCount() <= itemstack.getMaxStackSize();
@@ -2185,7 +2185,7 @@
 +                // CraftBukkit start - Call click event
 +                InventoryView inventory = this.player.inventoryMenu.getBukkitView();
 +                org.bukkit.inventory.ItemStack item = CraftItemStack.asBukkitCopy(packet.itemStack());
- 
++
 +                SlotType type = SlotType.QUICKBAR;
 +                if (flag) {
 +                    type = SlotType.OUTSIDE;
@@ -2218,10 +2218,9 @@
 +                }
 +            }
 +            // CraftBukkit end
-+
+ 
              if (flag1 && flag2) {
                  this.player.inventoryMenu.getSlot(packet.slotNum()).setByPlayer(itemstack);
-                 this.player.inventoryMenu.setRemoteSlot(packet.slotNum(), itemstack);
 @@ -1964,7 +3329,19 @@
  
      @Override