Fix #4861 : 复制游戏实例相关问题 (#5111)

HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLGameRepository.java

@@ -174,7 +174,7 @@ public final class HMCLGameRepository extends DefaultGameRepository {
         }
         Files.copy(fromJson, toJson);
 
-        JsonUtils.writeToJsonFile(toJson, fromVersion.setId(dstId));
+        JsonUtils.writeToJsonFile(toJson, fromVersion.setId(dstId).setJar(dstId));
 
         VersionSetting oldVersionSetting = getVersionSetting(srcId).clone();
         GameDirectoryType originalGameDirType = oldVersionSetting.getGameDirType();