chore(compass-connections): typecheck test files

[Anemy]

Part of COMPASS-9897

[Copilot]

Pull Request Overview

This PR enables TypeScript type checking for test files in the compass-connections package by removing type errors and adding proper type annotations throughout the test suite.

Key changes:

• Added type annotations to test variables and functions to satisfy TypeScript strict mode
• Added missing userConnectionString field to mock connection objects to match the ConnectionInfo interface
• Removed unused dependencies and functions that are no longer needed

Reviewed Changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/compass-connections/src/utils/telemetry.spec.tsx	Added ErrorWithCause type and replaced any types with proper type annotations for error objects
packages/compass-connections/src/utils/connection-supports.spec.ts	Added type annotation to mockConnections array and added missing userConnectionString field to all mock objects
packages/compass-connections/src/stores/connections-store-redux.spec.tsx	Added type annotations to variables and added null checks before using potentially undefined values
packages/compass-connections/src/hooks/use-connections-with-status.spec.tsx	Added parameter type annotation to getConnectionById function
packages/compass-connections/src/hooks/use-connection-supports.spec.ts	Added missing userConnectionString field to all mock connection objects
packages/compass-connections/src/connection-scoped-app-registry.ts	Changed any[] to unknown[] for better type safety in emit method signatures
packages/compass-connections/src/components/connection-status-notifications.tsx	Removed unused isCancelError import and getConnectionErrorMessage function
packages/compass-connections/package.json	Updated typecheck script to check all TypeScript files and removed unused @mongodb-js/compass-utils dependency

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