Questions for Confluence redirecting to "Page Not Found" when there are no questions created within the Space.

Issue Summary

When clicking the Questions option on the left navigation menu of a Space that has no questions created, users are taken to the following URL:

http(s)://<confluence-base-URL>/cq/

Which shows a Page Not Found message.

If a Space already has questions created, this issue does not happen.

This is reproducible on Data Center: yes

Steps to Reproduce

1. Install Questions for Confluence v4.5.3 in your Confluence instance.
2. Access a Confluence Space and click on the Questions option on the left navigation menu:
   

Expected Results

You're taken to this Space's Questions menu:

http(s)://<confluence-base-URL>/display/<space-key>/questions/all

Where you can ask questions.

Actual Results

You're taken to the following URL:

http(s)://<confluence-base-URL>/cq/ 

Which results in a Page Not Found message:

On Tomcat's access logs we see that this requests generates an HTTP 404:

GET /c855/display/NOQ/questions/all?src=sidebar HTTP/1.1 302 72ms - http://localhost:6855/c855/display/NOQ/Noquestion+Home
GET /c855/cq/ HTTP/1.1 404 125ms 38265 http://localhost:6855/c855/display/NOQ/Noquestion+Home 

Workaround

To be able to access the Space's questions you'll need to first ask a new question by using the top navigator menu and link that question to the desired Space:

Once this is done you'll be able to access the Space's questions directly through the Space left navigation menu.