[Chore]: publish @fluentui/react-tree-preview on public docsite + bufixes

[bsunderhus]

New Behavior

1. updates stories according to Docs(react-tree): Update stories and remove third-party API calls  #28757
2. updates stories with more detailed documentation
3. Adds @fluentui/react-tree-preview to public docsite
4. fix: aria-checked value to include mixed state
5. fix: aria-selected is a required attribute https://www.w3.org/TR/wai-aria-1.1/#treeitem
6. fix: stops scrolling when pressing Home and End

[fabricteam]

📊 Bundle size report

_{🤖 This report was generated against c736e39f1e07e013cc4a700eaa6cdcd6ae02127c}

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

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Latest deployment of this branch, based on commit 3a49554:

Sandbox	Source
@fluentui/react 8 starter	Configuration
@fluentui/react-components 9 starter	Configuration

[size-auditor]

Asset size changes

Size Auditor did not detect a change in bundle size for any component!

Baseline commit: c736e39f1e07e013cc4a700eaa6cdcd6ae02127c (build)

[layershifter]

1. updates stories according to Docs(react-tree): Update stories and remove third-party API calls  #28757

@bsunderhus not sure that I understand what you meant.

[bsunderhus]

1. updates stories according to Docs(react-tree): Update stories and remove third-party API calls  #28757

@bsunderhus not sure that I understand what you meant.

So, now we got 2 packages, react-tree and react-tree-preview (yeah, it sucks). this PR basically copy pastes the content from one package into another

[fabricteam]

🕵 fluentuiv9 No visual regressions between this PR and main