[BUG] Insight failed on ldbc query is4

[BingqingLyu]

Describe the bug
A clear and concise description of what the bug is.

The query is as follows:

MATCH (m:POST|COMMENT {id: 1030792332314L})
RETURN
    CASE WHEN m.content = "" THEN m.imageFile
    ELSE m.content END as messageContent,
    m.creationDate as messageCreationDate

However, Insight outputs unexpected results. Fix it.

Similar bug occurs in ic7.

[github-actions]

/cc @BingqingLyu, this issus/pr has had no activity for for a long time, could you folks help to review the status ?
To suppress further notifications,

• for issues,
  • if it is waiting for further response from the reporter/author, please help to add the label requires-further-info,
  • if you have already started working on it, please add the label work-in-progress to the issue,
  • if this issue requires further designing discussion and not in current plan, or won't be fixed, please add the label requires-further-discussion or wontfix to the issue,
• for pull requests,
  • if you are still working on it and it is not ready for reviewing, please convert this pull request as draft PR,
  • if you have decided to hold this development on, please add the requires-further-discussion label to the pull request.
    Thanks!