Clicking entries in commentList [system] module leads to 404 page

## Describe the bug
A clear and concise description of what the bug is.
I am experimenting with my students on the DNN.Blog module. A module based on the commentList template leads to the wrong URL and a 404 page results.

## Software Versions
- DNN: 09.02.02
- Module: 06.04.01

## To Reproduce
Steps to reproduce the behavior:
1. Install blog instance on a page
2. Install commentList module on the same page and set the parent blog module to the blog instance.
3. Create a post.
4. Write a comment on the post.
5. Go back to the home page (with post listings. The comment appears in the commentList module
6. Click on comment in the commentList module.

## Expected behavior
A clear and concise description of what you expected to happen.
A page with the posting and the comment is displayed

## Screenshots
If applicable, add screenshots to help explain your problem.

## Error log
**Note: Debug DLL's**
Please replace the current extension DLL's with the debug DLL's (if these are available with the release) and reproduce the error with the debug DLL's before pasting the error log.

Paste the error log that is related to this issue.

02/17/2019 20:24:10
HTTP Error Code 404 Page Not Found
True Visions Portal
TabId 20 PortalAlias portal.truevisionscambodia.com OriginalUrl /Home/Stud
TabId:20
PortalAlias:portal.truevisionscambodia.com
OriginalUrl:/Home/Students/post=4507
Referer:http://portal.truevisionscambodia.com/Home/Students/Blog-experiments
Url:http://portal.truevisionscambodia.com/Default.aspx?TabId=20&post=4507&language=en-US
UserAgent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36
HostAddress:111.92.240.126
HostName:111.92.240.126
Server Name: SRV-WWW-KS

## Additional context
Add any other context about the problem here.
The blog is posted on this page:
http://portal.truevisionscambodia.com/Home/Students/Blog-experiments
The link in the commentList module leads to thus URL:
http://portal.truevisionscambodia.com/Home/Students/post=4507#commentDiv148
So skipping the last part of the URL (Blog-experiments)