Fix demo site icons

[JiuqingSong]

The old fluent ui font files for icons were removed, so we upgraded the fluent ui react version to 8.122.3 to fix the demo site icons.

Copilot reviewed 6 out of 12 changed files in this pull request and generated no comments.

Files not reviewed (6)

• demo/index.html: Language not supported
• index.html: Language not supported
• package.json: Language not supported
• packages/roosterjs-react/lib/ribbon/component/Ribbon.tsx: Evaluated as low risk
• packages/roosterjs-react/lib/emoji/components/EmojiPane.tsx: Evaluated as low risk
• packages/roosterjs-react/lib/emoji/components/EmojiStatusBar.tsx: Evaluated as low risk

Comments suppressed due to low confidence (1)

packages/roosterjs-react/lib/emoji/type/EmojiPaneStyles.ts:6

• Changing the type from IStyleSet to Object reduces type safety. Consider using a more specific type.

quickPicker: Object;