PROD-6853 - fix: Activity new comment restrict based on privacy

[istiaq-bb]

Jira Issue:

https://buddyboss.atlassian.net/browse/PROD-6853

General Note

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Notes to Developer

• Ensure the IDs (i.e. PROD-1) of all associated Jira issues are reference in this PR’s title
• Ensure that you have achieved the Definition of Done before submitting for review
• When this PR is ready for review, move the associate Jira issue(s) to “Needs Review” (or “Code Review” for Dev Tasks)

Notes to Reviewer

• Ensure that the Definition of Done have been achieved before approving a PR
• When this PR is approved, move the associated Jira issue(s) to “Needs QA” (or “Approved” for Dev Tasks)