feature: reduce complexity of extensionCommon activation

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Problem

The original activateAmazonQCommon function in the Amazon Q VS Code extension had a high complexity, making it difficult to maintain and understand.

Solution

The function was refactored to reduce complexity by breaking it down into smaller, single-responsibility functions. The refactoring included:

• Extracting the logic to check for incompatible toolkit versions into a separate function.
• Creating dedicated functions for setting up globals, logging, and telemetry.
• Moving specific command registrations and initialization steps into their respective functions.
• Ensuring each function handles a distinct aspect of the activation process.

License

• [x] By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[!WARNING] CI / test macOS (16.x, minimum) (pull_request) delta

When running the PR on my own fork, all tests pass (this is done to ensure prior to submitting PR to main that fork is good)

justinmk3 wondering if you have any insights?

[!NOTE] Screenshots

main	fork