Bug 11248: fix encoding issue on emailing a list (INTRANET)

Bug 11248: fix encoding issue on emailing a list (INTRANET)

Test plan:
- send a list via email with the english version.
- translate templates and retry with another language.

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>

Sending an intranet list from translated templates requires
a new list template for the intranet. I have added the needed
changes in a follow-up.

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit 9181636874a03cf43e7c26a89364279bfe2aa2ee)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>