adds input_sanitizer helper in app mailer [fixes SCI-1185]
adds input_sanitizer helper in app mailer [fixes SCI-1185]

Ducz0r/scinote-web,mlorb/scinote-web,Ducz0r/scinote-web,Ducz0r/scinote-web,mlorb/scinote-web,mlorb/scinote-web