Use RandomPattern instead of RandomStatePattern

[SirYwell]

Overview

Description

This allows using *<blockstate> to be used directly in other patterns that require a RandomPattern input, e.g., noise patterns. Example //set #simplex[5][*snow]:

RandomStatePattern is basically just a cut-down variant of RandomPattern, there really isn't much reason to use it at all imo.

Submitter Checklist

• Make sure you are opening from a topic branch (/feature/fix/docs/ branch (right side)) and not your main branch.
• Ensure that the pull request title represents the desired changelog entry.
• New public fields and methods are annotated with @since TODO.
• I read and followed the contribution guidelines.