Inappropriate "(optional)" in invite modal

[techAPJ (Arpit Jalan)]

@nathank

This is confusing, as while the length is ‘optional’, the field is mandatory.

The “Password” field is optional on “accept invites” page and that is why we mention “optional” in field description.

@nathank

the same title (i.e. ‘Password’)

This is a good suggestion. Done via:

UX: consistent password label on signup and invites page