fix: skip Select Account step if only one account is available (calcom#23432)

* fix: skip Select Account step if only one account is available

* chore

* chore

* chore

* test fixes

* chore

* refactor: address biome linting issues and decompose getServerSideProps

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Co-authored-by: Kartik Saini <41051387+kart1ka@users.noreply.github.com>
Co-authored-by: Dhairyashil Shinde <93669429+dhairyashiil@users.noreply.github.com>

Author: 3 people