fix(python-bridge): keep the Azure Blob default TTL mismatch check

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

litellm-rust/crates/python-bridge/src/cache/config.rs

@@ -278,6 +278,9 @@ impl NativeCacheConfig {
                 {
                     Some("facade and native backend containers must match")
                 }
+                Some(_) if service.default_ttl().is_some() => {
+                    Some("facade and native backend default TTLs must match")
+                }
                 Some(_) => None,
             },
         }