fix: totalMined改用遍历stats map（之前遍历所有方块读不到数据）

AW暴露StatsCounter.stats字段。之前遍历BuiltInRegistries.BLOCK用getValue(StatType,block)大多返回0，导致挖掘数偏低。

src/main/java/com/github/zly2006/carpetslsaddition/util/BoardSyncManager.java

@@ -31,11 +31,14 @@ public final class BoardSyncManager {
     /** 排行榜最多显示条目数。 */
     public static final int TOP_N = 10;
 
-    /** 读取某玩家的挖掘总数（遍历所有方块的 BLOCK_MINED 累加）。 */
+    /** 读取某玩家的挖掘总数（遍历该玩家的 stats，累加 BLOCK_MINED 类型条目）。 */
     private static int totalMined(ServerStatsCounter counter) {
         int sum = 0;
-        for (Block block : BuiltInRegistries.BLOCK) {
-            sum += counter.getValue(Stats.BLOCK_MINED, block);
+        for (var entry : counter.stats.object2IntEntrySet()) {
+            Stat<?> stat = entry.getKey();
+            if (stat.getType() == Stats.BLOCK_MINED) {
+                sum += entry.getIntValue();
+            }
         }
         return sum;
     }

src/main/resources/slsa.accesswidener

@@ -4,3 +4,4 @@ accessible class net/minecraft/world/entity/monster/EnderMan$EndermanTakeBlockGo
 accessible method net/minecraft/world/entity/Entity unsetRemoved ()V
 accessible field net/minecraft/world/entity/Entity entityData Lnet/minecraft/network/syncher/SynchedEntityData;
 accessible field net/minecraft/world/entity/Avatar DATA_PLAYER_MODE_CUSTOMISATION Lnet/minecraft/network/syncher/EntityDataAccessor;␍
+accessible field net/minecraft/stats/StatsCounter stats Lit/unimi/dsi/fastutil/objects/Object2IntMap;