feat(template): implement optional honorifics/titles for Donor name #3011

[mehul0810]

Description

This PR resolves #3011

How Has This Been Tested?

I've tested this PR with the following scenarios:

• Add global settings under Settings > Display Options > Display
• Add per-form settings with repeater field to provide titles for title prefix
• Add new title prefix field on donation form in the front end
• Add new title prefix field on donation detail page
• Add new title prefix field on donor listing page
• Add new title prefix field on donor detail page with the edit screen
• Add title prefix in donation receipt
• Add title prefix to email tags used in emails
• Add title prefix in Give API

Screenshots (jpeg or gifs if applicable):

Admin Settings

Donation Form MetaBox Settings

Name Title Prefix with dropdown closed

Name Title Prefix with dropdown open

Donation Receipt

Donation Emails

Donation Listing

Donation detail page

Donor Detail page

Donor Detail page with Edit Screen

Give API

Types of changes

New feature (a non-breaking change which adds functionality)

Checklist:

• My code is tested.
• My code follows the WordPress code style.
• My code follows has proper inline documentation.

[DevinWalker]

@mehul0810 there needs to be an option to make the new field either required or not required. Please add that option and resolve the merge conflict as well.