允许拖入 nbt 文件 (HMCL-dev#6427)

Author: CiiLu

HMCL/src/main/java/org/jackhuang/hmcl/ui/nbt/NBTFileType.java

@@ -29,7 +29,7 @@
 
 /// @author Glavo
 public enum NBTFileType {
-    COMPRESSED("dat", "dat_old") {
+    COMPRESSED("nbt", "dat", "dat_old") {
         @Override
         public Tag read(Path file) throws IOException {
             return NBTCodec.of().readTag(file);