fix: change the ref parameter type in the list method of comment finder api to map (#4773)

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#### What type of PR is this?
/kind bug
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#### What this PR does / why we need it:
在主题使用如下FinderAPI时
![image](https://github.com/halo-dev/halo/assets/93673944/723e9f4e-0192-48e4-be18-2300579215bd)
将产生如下错误
![image](https://github.com/halo-dev/halo/assets/93673944/d36c9dd7-d754-4d41-a6d2-06027359bb4e)
因为方法定义为
![image](https://github.com/halo-dev/halo/assets/93673944/a3b95df3-96f8-427e-b9c0-7e97e5d2335d)
所以修改方法参数
#### Which issue(s) this PR fixes:

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Fixes #

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#### Does this PR introduce a user-facing change?

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application/src/main/java/run/halo/app/theme/finders/CommentFinder.java

@@ -1,10 +1,10 @@
 package run.halo.app.theme.finders;
 
+import java.util.Map;
 import org.springframework.lang.Nullable;
 import reactor.core.publisher.Mono;
 import run.halo.app.core.extension.content.Comment;
 import run.halo.app.extension.ListResult;
-import run.halo.app.extension.Ref;
 import run.halo.app.theme.finders.vo.CommentVo;
 import run.halo.app.theme.finders.vo.ReplyVo;
 
@@ -18,7 +18,7 @@ public interface CommentFinder {
 
     Mono<CommentVo> getByName(String name);
 
-    Mono<ListResult<CommentVo>> list(@Nullable Ref ref, @Nullable Integer page,
+    Mono<ListResult<CommentVo>> list(@Nullable Map<String, String> ref, @Nullable Integer page,
         @Nullable Integer size);
 
     Mono<ListResult<ReplyVo>> listReply(String commentName, @Nullable Integer page,

application/src/main/java/run/halo/app/theme/finders/impl/CommentFinderImpl.java

@@ -1,5 +1,6 @@
 package run.halo.app.theme.finders.impl;
 
+import java.util.Map;
 import lombok.RequiredArgsConstructor;
 import reactor.core.publisher.Mono;
 import run.halo.app.extension.ListResult;
@@ -28,7 +29,15 @@ public class CommentFinderImpl implements CommentFinder {
     }
 
     @Override
-    public Mono<ListResult<CommentVo>> list(Ref ref, Integer page, Integer size) {
+    public Mono<ListResult<CommentVo>> list(Map<String, String> map, Integer page, Integer size) {
+        if (map == null) {
+            return commentPublicQueryService.list(null, page, size);
+        }
+        Ref ref = new Ref();
+        ref.setGroup(map.get("group"));
+        ref.setVersion(map.get("version"));
+        ref.setKind(map.get("kind"));
+        ref.setName(map.get("name"));
         return commentPublicQueryService.list(ref, page, size);
     }