[WIP] Update password creation in vendor scripts based on feedback (#3144)

* Initial plan

* Remove useless dataDir check in setupSetup.ts

The check was reading config and testing if dataDir exists, but then just writing it back without modification. This serves no purpose and has been removed per feedback.

Co-authored-by: GermanBluefox <4582016+GermanBluefox@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: GermanBluefox <4582016+GermanBluefox@users.noreply.github.com>
Co-authored-by: Bluefox <dogafox@gmail.com>

Author: Copilot