open_ai: Fix parallel tools issue (#30467)

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Release Notes:

- N/A

---------

Co-authored-by: Peter Tripp <peter@zed.dev>
Co-authored-by: Ben Brandt <benjamin.j.brandt@gmail.com>

crates/open_ai/src/open_ai.rs

@@ -205,10 +205,8 @@ impl Model {
             | Self::FourOmniMini
             | Self::FourPointOne
             | Self::FourPointOneMini
-            | Self::FourPointOneNano
+            | Self::FourPointOneNano => true,
-            | Self::O1
+            Self::O1 | Self::O1Preview | Self::O1Mini => false,
-            | Self::O1Preview
-            | Self::O1Mini => true,
             _ => false,
         }
     }