The "Go to the poll" button sends to a non existing page.

[CostiChD]

Steps to reproduce:

1. Go to Meeting.WebHome
2. Click on "Create"
3. Type a name for the new meeting event
4. Select 'Meeting' page type
5. Click 'Create'
6. Add a member(in the participating members label)
7. Click 'Save & View'
8. Click on "Create a poll for this meeting"
9. Click on "Cancel" or go to another page(using the panel, ...)
10. Go to your meeting page(that you just created)
11. Click on "Go to the poll"

Expected results:
If the Poll is not created then we shouldn't have the "Go to the poll" button

Actual results:
The button sends to a page that has not been created.