fix: pass mappedApplication (#4061)

[ColinBuyck]

Pull Request Template

Issue Overview

This PR addresses bloom-housing#4060

• This change addresses the issue in full
• This change addresses only certain aspects of the issue
• This change is a dependency for another issue
• This change has a dependency from another issue

Description

Previously, the dto was being passed which doesn't include the confirmationCode. Passing the mappedApplication resolves this.

How Can This Be Tested/Reviewed?

This can be tested by filling out an application with an email and ensuring the application confirmation email comes through correctly with a confirmation code.

Checklist:

• My code follows the style guidelines of this project
• I have added QA notes to the issue with applicable URLs
• I have performed a self-review of my own code
• I have reviewed the changes in a desktop view
• I have reviewed the changes in a mobile view
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have assigned reviewers
• I have run yarn generate:client and/or created a migration if I made backend changes that require them
• My commit message(s) is/are polished, and any breaking changes are indicated in the message and are well-described
• Commits made across packages purposefully have the same commit message/version change, else are separated into different commits

Reviewer Notes:

Steps to review a PR:

• Read and understand the issue, and ensure the author has added QA notes
• Review the code itself from a style point of view
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• Either explicitly ask a clarifying question, request changes, or approve the PR if there are small remaining changes but the PR is otherwise good to go

On Merge:

If you have one commit and message, squash. If you need each message to be applied, rebase and merge.

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