feat(components): add right click copy/cut/paste context menu COMPASS-9919

[Anemy]

COMPASS-9919

Adds a context menu for cut/copy/paste when right clicking in a scenario that allows the action. This does not work in modals.

cut.copy.paste.mp4

[Copilot]

Pull Request Overview

This PR adds right-click context menu functionality for cut/copy/paste operations in text elements. The implementation provides contextual menu items based on text selection state and element editability, using the modern Clipboard API with fallback to deprecated execCommand.

• Implements a new hook useCopyPasteContextMenu that detects text selection and element editability
• Adds keyboard interaction preservation when context menu items are clicked
• Integrates copy/paste context menu into the main component provider system

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
packages/compass-context-menu/src/context-menu-provider.tsx	Extracts inline styles to a constant for consistency
packages/compass-components/src/hooks/use-copy-paste-context-menu.tsx	New hook implementing copy/paste context menu logic with clipboard operations
packages/compass-components/src/hooks/use-copy-paste-context-menu.spec.tsx	Comprehensive test suite for the copy/paste context menu functionality
packages/compass-components/src/components/context-menu.tsx	Adds mouse event handling to preserve focus when menu items are clicked
packages/compass-components/src/components/content-with-fallback.spec.tsx	Updates test expectations to account for new copy/paste context menu container
packages/compass-components/src/components/compass-components-provider.tsx	Integrates CopyPasteContextMenu component into the provider hierarchy

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