fix: returns user email with lowercase letters

[gloriateodoro]

• [x] Problema levantado durante análise de problemas com cadastro de voluntárias do mapa do acolhimento. Esse commit faz um map que retorna sempre um e-mail com letras minúsculas, mesmo que a usuária digite letras maiúsculas

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Name	Status	Preview	Comments	Updated
bonde-clients	❌ Failed (Inspect)			Mar 14, 2023 at 2:42PM (UTC)

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (e34036d) 65.53% compared to head (06a6637) 65.54%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1676 +/- ## ======================================= Coverage 65.53% 65.54% ======================================= Files 775 775 Lines 11815 11818 +3 Branches 849 851 +2 ======================================= + Hits 7743 7746 +3 Misses 3928 3928 Partials 144 144 ``` | Flag | Coverage Δ | | |---|---|---| | unittests | `65.54% <100.00%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nossas#carryforward-flags-in-the-pull-request-comment) to find out more. | [Impacted Files](https://codecov.io/gh/nossas/bonde-clients/pull/1676?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nossas) | Coverage Δ | | |---|---|---| | [...ge-client/src/bonde-webpage/plugins/Form/index.tsx](https://codecov.io/gh/nossas/bonde-clients/pull/1676?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nossas#diff-Y2xpZW50cy9wYWNrYWdlcy93ZWJwYWdlLWNsaWVudC9zcmMvYm9uZGUtd2VicGFnZS9wbHVnaW5zL0Zvcm0vaW5kZXgudHN4) | `97.18% <100.00%> (+0.12%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nossas). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nossas)

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