Bug 34601: Fix edit/delete links on suggestion.tt

Bug 34601: Fix edit/delete links on suggestion.tt

1. Make a suggestion
2. Try to edit, delete the suggestion.
3. Error:
4. Apply patch and restart_all
5. Try again and you should not get the error anymore.

Signed-off-by: Andrew Fuerste-Henry <andrewfh@dubcolib.org>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit b630dfcb080ddbca5e7f14a9c9863989f0252ea3)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>