fix(CodeEditor): Adjust sizeToFit height bug

[rebeccaalpert]

I think this addresses the issue?

What: Closes #12436

Additional issues:

Summary by CodeRabbit

• Bug Fixes
  • Improved the editor’s auto-sizing behavior so it now updates height automatically as content changes when set to fit content.
  • This prevents the editor from staying at an outdated height after text is added or removed.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: e933fa74-dd9b-4e59-b461-bec4131822a4

📥 Commits

Reviewing files that changed from the base of the PR and between 8edf04a and e7457bb.

📒 Files selected for processing (1)

• packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsx

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Walkthrough

CodeEditor now subscribes to Monaco content-size changes in the sizeToFit path and recalculates editor height whenever content size changes.

Changes

CodeEditor sizeToFit content updates

Layer / File(s)	Summary
React to Monaco size changes packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsx	The sizeToFit branch subscribes to Monaco onDidContentSizeChange and calls setHeightToFitContent() on each content-size update.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~5 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the CodeEditor sizeToFit height fix and matches the main change.
Linked Issues check	✅ Passed	The change addresses #12436 by updating sizeToFit to react to content size changes and keep the editor growing.
Out of Scope Changes check	✅ Passed	The diff is narrowly scoped to the sizeToFit height behavior in CodeEditor and adds no unrelated changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[patternfly-build]

Preview: https://pf-react-pr-12529.surge.sh

A11y report: https://pf-react-pr-12529-a11y.surge.sh