chore: update natural language query bar text COMPASS-9369

[betsybutton]

Description

Modifying the placeholder text to be more Data Explorer-friendly and include a mention that you can paste queries in other languages. The text may wrap if the tab is opened with a smaller window size, but I don't think this is a problem

Smaller window:

Checklist

• New tests and/or benchmarks are included
• Documentation is changed or added
• If this change updates the UI, screenshots/videos are added and a design review is requested
• I have signed the MongoDB Contributor License Agreement (https://www.mongodb.com/legal/contributor-agreement)

Motivation and Context

• Bugfix
• New feature
• Dependency update
• Misc

Open Questions

Dependents

Types of changes

• Backport Needed
• Patch (non-breaking change which fixes an issue)
• Minor (non-breaking change which adds functionality)
• Major (fix or feature that would cause existing functionality to change)