[HOTFIX] Fixes for voluntary share

Changelog

• [FIX] lang don't applied because of intends in value
• [IMP] auto_delete set to false in order to register the mail
• [IMP] changed text for mandate field in form
• [IMP] added filter for mandatory or voluntary shares
• [FIX] image logo not showing on mail template
• [I18N] updated ca_ES, es, eu_ES