[Advanced Paste] Rephrase module description in settings

[OldUser101]

Summary of the Pull Request

Rephrased the module description for Advanced Paste in settings to simplify, and fix styling issues.

PR Checklist

• Closes: #xxx
• Communication: I've discussed this with core contributors already. If work hasn't been agreed, this work might be rejected
• Tests: Added/updated and all pass
• Localization: All end user facing strings can be localized
• Dev docs: Added/updated
• New binaries: Added on the required places
  • JSON for signing for new binaries
  • WXS for installer for new binaries and localization folder
  • YML for CI pipeline for new test projects
  • YML for signed pipeline
• Documentation updated: If checked, please file a pull request on our docs repo and link it here: #xxx

Detailed Description of the Pull Request / Additional comments

Rephrased the Advanced Paste module description shown in settings to simplify, and fix styling issues.

Existing:

Updated:

This fixes issues including incorrect capitalisation on "markdown" and "json", and also shortens the description to make it quicker to read, by removing unnecessary detail.