refactor(waf): Changing the array manipulation to direct replace to avoid slow…

[ViBiOh]

… operation on large array

What does this PR do?

Fix the slow operation on array for WAF(for a 80k item, it's nearly 35ms)

Motivation

WAF log integration is timeouting.

Testing Guidelines

TBD

Additional Notes

Types of changes

• Bug fix
• New feature
• Breaking change
• Misc (docs, refactoring, dependency upgrade, etc.)

Check all that apply

• This PR's description is comprehensive
• This PR contains breaking changes that are documented in the description
• This PR introduces new APIs or parameters that are documented and unlikely to change in the foreseeable future
• This PR impacts documentation, and it has been updated (or a ticket has been logged)
• This PR's changes are covered by the automated tests
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