Add rule to make the World Border update with ticks instead of real time (#1550)

src/main/resources/carpet.accesswidener

@@ -4,7 +4,11 @@ accessible class net/minecraft/server/level/ChunkMap$DistanceManager
 accessible class net/minecraft/server/level/ThreadedLevelLightEngine$TaskType
 accessible class net/minecraft/world/item/crafting/Ingredient$Value
 accessible class net/minecraft/world/level/lighting/BlockLightSectionStorage$BlockDataLayerStorageMap
+accessible class net/minecraft/world/level/border/WorldBorder$BorderExtent
+accessible class net/minecraft/world/level/border/WorldBorder$StaticBorderExtent
 accessible class net/minecraft/server/MinecraftServer$ReloadableResources
 accessible class net/minecraft/world/level/biome/Biome$ClimateSettings
 
+accessible method net/minecraft/world/level/border/WorldBorder getListeners ()Ljava/util/List;
+
 accessible field net/minecraft/world/level/block/state/BlockBehaviour UPDATE_SHAPE_ORDER [Lnet/minecraft/core/Direction;

src/main/resources/carpet.mixins.json

@@ -38,6 +38,7 @@
     "ChunkMap_tickMixin",
     "DistanceManager_tickMixin",
     "ServerFunctionManager_tickMixin",
+    "WorldBorder_tickMixin",
     "ChunkMap_scarpetChunkCreationMixin",
     "LevelEntityGetterAdapter_scarpetMixin",
     "ChunkHolder_scarpetChunkCreationMixin",