Bug 31492: Set CSRF token in circulation.pl

Bug 31492: Set CSRF token in circulation.pl

To test:
* Turn on patronimages system preferences
* Go to any patron account
* Hover over the 'dummy image' for the Add button
* Browse and select an image for upload
* Saving results in the following error:

The form submission failed (Wrong CSRF token). Try to come back, refresh the page, then try again.

Apply patch and try again. You shouldn't need to try twice, it should work on the first attempt now.

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: David Cook <dcook@prosentient.com.au>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit f0e6f25428a997076d29dd3daeb905befed254f8)
Signed-off-by: Jacob O'Mara <jacob.omara@ptfs-europe.com>
(cherry picked from commit 11d88ba12ff14a41a1d998d0286b258e356dd64a)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 715afc2826f9794af3b47c652f02c1d3438ebae1)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>