Initial 1.18 update

patches/server/Do-not-allow-ticket-level-changes-while-unloading-pl.patch

@@ -41,9 +41,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
                  boolean removed;
                  if ((removed = this.pendingUnloads.remove(pos, holder)) && ichunkaccess != null) {
 @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
-                         this.regionManagers.get(index).removeChunk(holder.pos.x, holder.pos.z);
-                     }
-                 } // Paper end
+                     this.regionManagers.get(index).removeChunk(holder.pos.x, holder.pos.z);
+                 }
+             } // Paper end
 +                } finally { this.unloadingPlayerChunk = unloadingBefore; } // Paper - do not allow ticket level changes while unloading chunks
  
              }