fix: Adjust NativeFramePresenter to work with new TemplatedParent

[MartinZikmund]

GitHub Issue (If applicable): unoplatform/uno#18401

PR Type

What kind of change does this PR introduce?

• Bugfix

What is the current behavior?

OnTemplatedParentChanged no longer triggers

What is the new behavior?

Use Loaded event instead

PR Checklist

Please check if your PR fulfills the following requirements:

• Tested code with current supported SDKs
• Tested the changes where applicable:
  • UWP
  • WinUI
  • iOS
  • Android
  • WASM
  • MacOS
• Updated the documentation as needed:
  • General Doc Update
  • Controls Doc Update
  • Extensions Doc Update
  • controls-styles.md
  • lightweight-styling.md (LightWeight Styling Resource Keys)
• Runtime Tests and/or UI Tests for the changes have been added (for bug fixes / features) (if applicable)
• Contains NO breaking changes
• Associated with an issue (GitHub or internal)
• Commits must be following the Conventional Commits specification.

Other information

Internal Issue (If applicable):

[jeromelaban]

@Mergifyio backport release/stable/5.5

[mergify]

backport release/stable/5.5

❌ No backport have been created

• Backport to branch release/stable/5.5 failed

GitHub error: Branch not found

[jeromelaban]

@Mergifyio backport release/stable/6.3

[mergify]

backport release/stable/6.3

✅ Backports have been created

• #1267 fix: Adjust NativeFramePresenter to work with new TemplatedParent (backport #1266) has been created for branch release/stable/6.3