Fix HAML to comply Style/RedundantParentheses (EE)

What does this MR do?

Enables Style/RedundantParentheses cop for HAML files.

Part of #23855

FOSS part: !58846 (merged)

Does this MR meet the acceptance criteria?

Conformity

• 📋 Does this MR need a changelog?
  • I have not included a changelog entry because ~"technical debt" in static code analysis .
• Code review guidelines
• Style guides
• Separation of EE specific content