Activate Title case input mask option

Problem/Motivation

I had a request from a client, that in the form where we are asking for the peoples full name limit somehow the input to be in title case. I found the input masks option for text field with uppercase and lowercase but no title case.
Reading the Input Mask plugin documentation I realized that title case masking is already implemented, just need to be activated in webforms.

Proposed resolution

After some searching I managed to activate the title case option on my test server.
Attached you will find the patch. It may be fail the automatic tests, but you will find the idea in it.

Best regards