Bug 9097: Add option to manually send welcome email

Bug 9097: Add option to manually send welcome email

This patch adds a new 'Send welcome email' option to the 'More' dropdown
menu in the patrons toolbar.

Clicking the button will queue the welcome email again for the patron and
redirect the user to the Notices tab to view it's contents.

Signed-off-by: Kelly McElligott <kelly@bywatersolutions.com>
Signed-off-by: Jessie Zairo <jzairo@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>