fix(help): remove double prefix in 'help' on non-existent command

[Ow0cast]

Description

"usage" contained prefix, which is added later on, resulting in the prefix showing up twice when '$help' is used on a non-existent command (ie '$help asdfasdfasdf')

Guidelines

• My code follows the style guidelines of this project (formatted with Ruff)

• I have performed a self-review of my own code

• I have commented my code, particularly in hard-to-understand areas

• I have made corresponding changes to the documentation if needed

• My changes generate no new warnings

• I have tested this change

• Any dependent changes have been merged and published in downstream modules

• I have added all appropriate labels to this PR

• I have followed all of these guidelines.

How Has This Been Tested? (if applicable)

personally dont think this is applicable as its more or less a documentation change

Screenshots (if applicable)

Please add screenshots to help explain your changes.

Additional Information

Please add any other information that is important to this PR.

Summary by Sourcery

Bug Fixes:

• Remove hardcoded dollar-sign prefix from the help usage description

[sourcery-ai]

🧙 Sourcery has finished reviewing your pull request!

---

Tips and commands

Interacting with Sourcery

• Trigger a new review: Comment @sourcery-ai review on the pull request.
• Continue discussions: Reply directly to Sourcery's review comments.
• Generate a GitHub issue from a review comment: Ask Sourcery to create an
  issue from a review comment by replying to it. You can also reply to a
  review comment with @sourcery-ai issue to create an issue from it.
• Generate a pull request title: Write @sourcery-ai anywhere in the pull
  request title to generate a title at any time. You can also comment
  @sourcery-ai title on the pull request to (re-)generate the title at any time.
• Generate a pull request summary: Write @sourcery-ai summary anywhere in
  the pull request body to generate a PR summary at any time exactly where you
  want it. You can also comment @sourcery-ai summary on the pull request to
  (re-)generate the summary at any time.
• Generate reviewer's guide: Comment @sourcery-ai guide on the pull
  request to (re-)generate the reviewer's guide at any time.
• Resolve all Sourcery comments: Comment @sourcery-ai resolve on the
  pull request to resolve all Sourcery comments. Useful if you've already
  addressed all the comments and don't want to see them anymore.
• Dismiss all Sourcery reviews: Comment @sourcery-ai dismiss on the pull
  request to dismiss all existing Sourcery reviews. Especially useful if you
  want to start fresh with a new review - don't forget to comment
  @sourcery-ai review to trigger a new review!

Customizing Your Experience

Access your dashboard to:

• Enable or disable review features such as the Sourcery-generated pull request
  summary, the reviewer's guide, and others.
• Change the review language.
• Add, remove or edit custom review instructions.
• Adjust other review settings.

Getting Help

• Contact our support team for questions or feedback.
• Visit our documentation for detailed guides and information.
• Keep in touch with the Sourcery team by following us on X/Twitter, LinkedIn or GitHub.

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

---

Sourcery is free for open source - if you like our reviews please consider sharing them ✨

• X
• Mastodon
• LinkedIn
• Facebook

_{Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.}