fix: ensure when "login" option is selected it does not appear optional on the donation form

[DevinWalker]

Bug Report

If Login is enabled for a form, it appears as "optional" but is actually required. You cannot submit a donation without logging in.

User Story

As a donor, I want to ensure that when a login is required it does not appear optional so that I'm not confused when attempting to donate.

Bug Type

• This bug describes functionality that never worked as expected.

Steps to Reproduce

1. Create a new donation form
2. Select the "login" option within the Form Display
3. View the form in incognito mode

Visuals

Possible Solution

Check if the login option is set before outputting the "Optional" text

Related

Acceptance Criteria

• I can select the "Login" Display mode and the form won't display the "Optional" incorrectly