Simplify iOS UI test screenshot pipeline

[shai-almog]

Summary

• simplify the iOS UI test helper to focus on running the Codename One workspace and exporting xcresult screenshots
• adjust the Codename One UI test template to favour non-empty app screenshots over blank captures
• update the demo POM to reference Codename One 7.0.209

Testing

• not run (CI only)

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https://chatgpt.com/codex/tasks/task_e_68ff083a182483319eaf75127d555b79

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Restore fallback when default simulator is missing

The new script always targets IOS_SIM_DEVICE_NAME (default iPhone 16) and, on failure, simply uses platform=iOS Simulator,name=$SIM_DEVICE_NAME without trying to discover another available simulator. Earlier versions parsed xcodebuild -showdestinations/simctl list and auto‑selected a usable device when the default wasn’t present. In environments where the requested device isn’t installed (e.g., older Xcode images or custom CI with a different simulator set), ensure_booted_device leaves SIM_UDID empty, and the subsequent xcodebuild invocation will exit with “Unable to find a destination matching the provided destination specifier”, causing all UI tests to fail even though other simulators are available. Please retain an automatic fallback to any available simulator when the preferred device cannot be found.

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[github-actions]

Developer Guide build artifacts are available for download from this workflow run:

• Developer Guide HTML package
• Developer Guide PDF
• AsciiDoc linter report
• Vale report
• Unused image report

Developer Guide quality checks:

• AsciiDoc linter: No issues found (report)
• Vale: 18729 alert(s) (2754 errors, 6353 warnings, 9622 suggestions) (exit code 1) (report)
• Image references: No unused images detected (report)