fix delete k8s env bug

[PetrusZ]

What this PR does / Why we need it:

🤖[deprecated] Generated by Copilot at a1bee35

This pull request improves the logging of the DeleteProduct function in pkg/microservice/aslan/core/environment/service/environment.go. It adds debug log statements to track the progress and errors of deleting a product and its associated environments.

What is changed and how it works?

🤖[deprecated] Generated by Copilot at a1bee35

• Add debug log statements to DeleteProduct function in environment.go to help troubleshoot deletion failures (link, link, link, link, link, link)
• Log the product name and the number of environments before deleting them (link)
• Log the environment name and the error before deleting each environment (link)
• Log the condition and the error for deleting a default environment (link)
• Log the error for deleting a non-default environment (link)
• Log the error after deleting all environments (link)
• Log the final result and the error of the function (link)

Does this PR introduce a user-facing change?

• API change
• database schema change
• upgrade assistant change
• change in non-functional attributes such as efficiency or availability
• fix of a previous issue