Fix Prettier Lint Issues and Issues with Faro Initialization

[SeamusGrafana]

This PR fixes two issues form previous PRs that are merged;

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This fixes a couple of minor issues reported by prettier in the CI build.

See: https://github.com/grafana/quickpizza/actions/runs/15067140875/job/42354426438

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It also fixes another issue found in testing here (and caused by #205), where if Faro is not initialized, the page fails to show any recommendations, or allows pages to be used, because its calling something that is undefined. Its a bit of an edge case as if the App is Instrumented with Faro, it expects a URL to be given, but here its an optional value.

So, to workaround this, if no Faro URL is provided, we still initialize Faro, but it does not have a URL defines, allowing the faro object to be accessible and used, without causing issues.

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