test: migrate e2e/auth to system tests and fix sign-batch (backport #22149)

[mergify]

Description

Closes: #21926

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Summary by CodeRabbit

• New Features

  • Introduced a comprehensive suite of system tests for authentication-related transaction commands.
  • Enhanced handling of multisig transactions in the command execution process.

• Bug Fixes

  • Adjusted output handling in the distribution tests for improved clarity.

• Chores

  • Cleaned up unused imports and functions in the system tests for better maintainability.

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This is an automatic backport of pull request #22149 done by [Mergify](https://mergify.com).