fix(Menu): adjust initially drilled-in root menu height

[tarunvashishth]

Closes #11967

Summary by CodeRabbit

• Bug Fixes
  • Corrected menu height calculation in the drilldown menu component example for accurate initial state rendering.

[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: b965fd66-349e-4993-9f72-705e40fa4142

📥 Commits

Reviewing files that changed from the base of the PR and between 4e03cd7 and 88c8b4d.

📒 Files selected for processing (1)

• packages/react-core/src/components/Menu/examples/MenuWithDrilldownInitialState.tsx

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Walkthrough

Updated the initial height value for a drilled-in menu example from 216 to 186 pixels, correcting the MenuContent height calculation when the component initializes in a drilled-in state.

Changes

Cohort / File(s)	Summary
Menu Example Height Adjustment packages/react-core/src/components/Menu/examples/MenuWithDrilldownInitialState.tsx	Updated menuHeights['initial-state-rootMenu'] state value from 216 to 186 to fix incorrect initial menu height rendering.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 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 and specifically describes the main change: adjusting the root menu height for an initially drilled-in state, which directly addresses the issue being fixed.
Linked Issues check	✅ Passed	The code change adjusts the menuHeights value for 'initial-state-rootMenu' from 216 to 186px, directly addressing issue #11967's requirement to fix the root menu height when initially drilled in.
Out of Scope Changes check	✅ Passed	The change is narrowly scoped to only the menuHeights value adjustment in the MenuWithDrilldownInitialState example, with no unrelated modifications to other components or functionality.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[patternfly-build]

Preview: https://pf-react-pr-12294.surge.sh

A11y report: https://pf-react-pr-12294-a11y.surge.sh