remove chat-related settings in different categories in setting

[feiyangliu2023]

Issue

There are copilot-related settings appearing in different categories in code editor setting ui. This change hides all potential chat or chat-related settings from code editor.

Description of Changes

Added included: false to chat-related settings across multiple configuration files:

• Inline chat settings (inlineChat.ts)
• Accessibility chat settings (accessibilityConfiguration.ts)
• Terminal chat agent tools settings (terminalChatAgentToolsConfiguration.ts)
• Workbench chat settings (workbench.contribution.ts)
• Edit telemetry settings (editTelemetry.contribution.ts)
• Notebook cell generate setting (notebook.contribution.ts)
• Mermaid chat features (mermaid-chat-features/package.json)
• Fixed language configuration override registration to use excludedConfigurationProperties for chatagent settings

Testing

Built and opened sagemaker code editor image before and after the change, searched mcp, chat, agent, microsoft, ai, and confirmed copilot settings are removed.

Screenshots/Videos

After update

Before update

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