Use hilt parameter support so that viewmodel is only initialized once

[jonsmirl]

Please check this. My Firebase account is not set up for this app anymore so I can't test.

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[marinacoelho]

Hi @jonsmirl thanks for submitting the PR! I've tested the code and it works fine. Before we can merge it, can you follow this link to sign the Contributor License Agreement?

[jonsmirl]

The CLA check is passed.

[marinacoelho]

Great. I'll merge the PR, thanks again for your contribution!