Update OpenAPI troubleshooting for trailing slash tolerance

[mintlify]

Summary

• Updated the API playground troubleshooting page to reflect that Mintlify now automatically resolves trailing slash differences between openapi references and OpenAPI spec paths
• Replaced the trailing slash mismatch example with a more relevant typo example (singular vs plural path), since trailing slashes are no longer a pitfall

Shipped in this release: OpenAPI endpoint resolution now tolerates trailing slash mismatches (e.g., /users/{id}/ matches /users/{id}), fixing a common issue for Django/DRF users.

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Note

Low Risk
Low risk documentation-only change that adjusts guidance and examples around OpenAPI endpoint matching behavior.

Overview
Updates api-playground/troubleshooting.mdx to clarify that Mintlify auto-resolves trailing slash differences between openapi references and spec paths, and replaces the prior trailing-slash mismatch example with a more representative path-typo example (singular vs plural).

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