Update for 1.19 model data manager changes

Author: embeddedt

forge/src/main/java/org/embeddedt/modernfix/forge/mixin/bugfix/model_data_manager_cme/ModelDataManagerMixin.java

@@ -26,7 +26,7 @@
 public abstract class ModelDataManagerMixin {
     @Shadow protected abstract void refreshAt(ChunkPos chunk);
 
-    @Shadow @Final private static Map<ChunkPos, Set<BlockPos>> needModelDataRefresh;
+    @Shadow @Final private Map<ChunkPos, Set<BlockPos>> needModelDataRefresh;
 
     /**
      * Make the set of positions to refresh a real concurrent hash set rather than relying on synchronizedSet,