Replace underscore/lodash in ee/protected_*

What does this MR do?

This replaces all of underscore instances for lodash inside ee/app/assets/javascripts/protected_*

closes #210274 (closed)

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides