chore(Popover): Include OUIAProps for Popover

[mshriver]

Add OUIA attribute support to Popover for better test automation. OUIA attributes are applied to the FocusTrap dialog root.

What:
Closes #12571

Snapshot tests commit
#12573
https://github.com/patternfly/patternfly-react/pull/12574/changes

Summary by CodeRabbit

• New Features

  • Added OUIA support to the Popover component.
  • Popovers now expose component type, custom component ID, and safety attributes for testing and automation.
  • Added controls for setting a custom OUIA ID and safety behavior.

• Documentation

  • Listed Popover among OUIA-compliant components.

[coderabbitai]

Walkthrough

Popover now supports OUIA properties, applies generated OUIA attributes to its internal focus trap, adds tests for those attributes, and lists Popover among OUIA-compliant react-core components.

Changes

Popover OUIA integration

Layer / File(s)	Summary
OUIA contract and attribute wiring packages/react-core/src/components/Popover/Popover.tsx	PopoverProps now includes ouiaId and ouiaSafe; Popover generates OUIA props and applies them to FocusTrap.
OUIA validation and documentation packages/react-core/src/components/Popover/__tests__/Popover.test.tsx, packages/react-core/src/helpers/OUIA/OUIA.md	Tests verify OUIA component ID, component type, and safe attributes, and the OUIA component list now includes Popover.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• patternfly/patternfly-react#12570: Applies the same OUIA integration pattern to ExpandableSection.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	The PR adds OUIA support to Popover and tests the new attributes, matching issue #12571.
Out of Scope Changes check	✅ Passed	The changes are limited to Popover OUIA support, its tests, and related documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: adding OUIAProps support to Popover.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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