Clarify performance limit for Class.Highlight instances

[DeveloperAnonymous]

Changes

Updated wording for clarity regarding performance limits. This limitation does not only affect studio but the engine as a whole

We have increased the maximum number of Highlight instances you can have in an experience’s DataModel to 255.

Checks

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[github-actions]

Hi @DeveloperAnonymous, thanks so much for helping improve the Roblox creator documentation! Our technical writing team will review your pull request soon. In the meantime, please ensure you've read through the README.md, contribution guidelines, and style recommendations.

[behruzmurataliyev2424-droid]

It's good