chore: update translations and sign in link for lottery email

[jaredcwhite]

This PR addresses metrotranscom#959 & metrotranscom#958

• Addresses the issue in full
• Addresses only certain aspects of the issue

Description

The lottery published email for applicants has updated "what happens next" content, and the sign-in button link goes to the Sign In page instead of the homepage.

How Can This Be Tested/Reviewed?

Run the updatesWhatHappensInLotteryEmail script runner endpoint and verify translations are updated.
Not sure the easiest way to test the email, but I added an automated test for that email template.

Author Checklist:

• Added QA notes to the issue with applicable URLs
• Reviewed in a desktop view
• Reviewed in a mobile view
• Reviewed considering accessibility
• Added tests covering the changes
• Made corresponding changes to the documentation
• Ran yarn generate:client and/or created a migration when required

Review Process:

• Read and understand the issue
• Ensure the author has added QA notes
• Review the code itself from a style point of view
• Pull the changes down locally and test that the acceptance criteria is met
• Either (1) explicitly ask a clarifying question, (2) request changes, or (3) approve the PR, even if there are very small remaining changes, if you don't need to re-review after the updates

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[ColinBuyck]

Oop deleted my comment after seeing the bottom of the issues attached... do you mind resolving the merge conflicts first?

[jaredcwhite]

@ColinBuyck This should be ready for review now. Thanks!

[ColinBuyck]

question: This is all looking good but do you mind sharing more on this refactor? Specifically the changes around findMany? Is this just a code improvement or would the previous helper not work for this case?

[jaredcwhite]

Sorry, I lost track of this thread! Some of that code is a backport to Core from Doorway, so everything related to translations helpers is now aligned across the two repos. That's the reason for there being more changes than just addressing what's detailed in the issue descriptions.