More On State: Add clarification on controlled vs uncontrolled inputs

[IamBull8905]

Because

Adds clarification for controlled vs uncontrolled inputs in the 'More on State' React lesson.

This PR

• "This pattern is extremely useful wherever you need user input, i.e., typing in a textbox, toggling a checkbox, etc." to "This pattern is extremely useful wherever you need more control over user input, such as live validation or anything else that may require you to access the latest state value from these inputs."

Issue

Closes #31204

Additional Information

Pull Request Requirements

• I have thoroughly read and understand The Odin Project curriculum contributing guide
• The title of this PR follows the location of change: brief description of change format, e.g. Intro to HTML and CSS lesson: Fix link text
• The Because section summarizes the reason for this PR
• The This PR section has a bullet point list describing the changes in this PR
• If this PR addresses an open issue, it is linked in the Issue section
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