[testplan-item] Apply suggestion with Copilot should also be shown in the "Comments" view

[alexr00]

Refs #8405

• anyOS @lostintangent
• anyOS @bpasero

Complexity: 1

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Context

The 'Apply suggestion with Copilot' command is now available in the Comments view context menu for GitHub PR comments, matching its availability in the inline comment widget. This allows users to apply Copilot-powered suggestions directly from the Comments panel.

Setup

1. Install the latest pre-release version of the GitHub Pull Requests extension.

Test Steps

1. Open a GitHub pull request in VS Code with at least one comment which doesn't have a classic GitHub suggestion.
2. Open the Comments view panel (View > Comments).
3. Right-click on the comment in the Comments view.
   • The context menu should include 'Apply suggestion with Copilot'.
4. Click 'Apply suggestion with Copilot' and verify that it opens the chat view with the comment.