I18nMap migration

[tfuent1]

Contributor checklist

• This pull request is on a separate branch and not the main branch
• I have run the tests for the backend and frontend depending on what's needed for my changes as described in the testing section of the contributing guide

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Description

Related issue

• Convert over all i18n strings in the frontend to use i18nMap object #1093

[github-actions]

Thank you for the pull request!

The activist team will do our best to address your contribution as soon as we can. The following is a checklist for maintainers to make sure this process goes as well as possible. Feel free to address the points below yourself in further commits if you realize that actions are needed :)

If you're not already a member of our public Matrix community, please consider joining! We'd suggest using Element as your Matrix client, and definitely join the General and Development rooms once you're in. Also consider joining our bi-weekly Saturday dev syncs. It'd be great to have you!

Maintainer checklist

• The TypeScript and formatting workflows within the PR checks do not indicate new errors in the files changed

• The Playwright end to end and Zap penetration tests have been ran and are passing (if necessary)

• The changelog has been updated with a description of the changes for the upcoming release and the corresponding issue (if necessary)

[netlify]

✅ Deploy Preview for activist-org canceled.

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🔨 Latest commit	bfa5a0f
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[github-actions]

First PR Commit Check

• The commit messages for the remote branch of a new contributor should be checked to make sure their email is set up correctly so that they receive credit for their contribution
  • The contributor's name and icon in remote commits should be the same as what appears in the PR
  • If there's a mismatch, the contributor needs to make sure that the email they use for GitHub matches what they have for git config user.email in their local activist repo (can be set with git config --global user.email "GITHUB_EMAIL")

[andrewtavis]

Really amazing work here, @tfuent1! 😊 Thanks for a great first contribution that really sets us apart on how we do i18n throughout the project 🥳

Maybe a next issue could be in the i18n-check project? You could consider working on say activist-org/i18n-check#5? Happy to also work on an issue here, but that one jumped to mind :)