refactor: comments are converted to publish before sending reply email (#2340)

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#### What type of PR is this?
/kind bug
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#### What this PR does / why we need it:
reply comments的评论审核通过时创建回复事件
添加了回复邮件发送的条件：当评论由管理员发布后回复邮件

#### Which issue(s) this PR fixes:

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Fixes #2246

#### Special notes for your reviewer:

null

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

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```release-note
修复未审核评论回复会发送邮件提醒的问题
```

src/main/java/run/halo/app/listener/comment/CommentEventListener.java

@@ -17,6 +17,7 @@ import run.halo.app.model.entity.JournalComment;
 import run.halo.app.model.entity.PostComment;
 import run.halo.app.model.entity.SheetComment;
 import run.halo.app.model.entity.User;
+import run.halo.app.model.enums.CommentStatus;
 import run.halo.app.model.properties.CommentProperties;
 import run.halo.app.service.JournalCommentService;
 import run.halo.app.service.JournalService;
@@ -230,6 +231,11 @@ public class CommentEventListener {
                 return;
             }
 
+            // only send email with published comments
+            if (!postComment.getStatus().equals(CommentStatus.PUBLISHED)) {
+                return;
+            }
+
             baseAuthorEmail = baseComment.getEmail();
 
             BasePostMinimalDTO post =

src/main/java/run/halo/app/service/impl/BaseCommentServiceImpl.java

@@ -381,6 +381,14 @@ public abstract class BaseCommentServiceImpl<COMMENT extends BaseComment>
         // Get comment by id
         COMMENT comment = getById(commentId);
 
+        //Send mail if approved
+        if (comment.getStatus().equals(CommentStatus.AUDITING)
+            && status.equals(CommentStatus.PUBLISHED)) {
+            if (!ServiceUtils.isEmptyId(comment.getParentId())) {
+                eventPublisher.publishEvent(new CommentReplyEvent(this, comment.getId()));
+            }
+        }
+
         // Set comment status
         comment.setStatus(status);