PROD-716 Fix slug accent issue

[kishanjasani]

All Submissions:

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Changes proposed in this Pull Request:

Fixes #3074

How to test the changes in this Pull Request:

1. Go to BuddyBoss setting page -> forum
2. Change the forum slug to fórum
3. Now go to frontend and check the forum creation is working while creating the group

Other information:

• [x] Have you added an explanation of what your changes do and why you'd like us to include them?
• [x] Have you written new tests for your changes, as applicable?
• [x] Have you successfully run tests with your changes locally?