chore: linting

Author: baywet

src/Microsoft.OpenApi/Reader/OpenApiModelFactory.cs

@@ -445,17 +445,12 @@ private static async Task<MemoryStream> CopyToMemoryStreamAsync(Stream input, Ca
             {
                 format ??= InspectStreamFormat(ms);
             }
-            else if (!input.CanSeek)
+            else if (!input.CanSeek || !TryInspectStreamFormat(input, out format!))
             {
                 // Copy to a MemoryStream to enable seeking and perform format inspection
                 var bufferStream = await CopyToMemoryStreamAsync(input, token).ConfigureAwait(false);
                 return await PrepareStreamForReadingAsync(bufferStream, format, token).ConfigureAwait(false);
             }
-            else if (!TryInspectStreamFormat(input, out format!))
-            {
-                var bufferStream = await CopyToMemoryStreamAsync(input, token).ConfigureAwait(false);
-                return await PrepareStreamForReadingAsync(bufferStream, format, token).ConfigureAwait(false);
-            }
 
             return (preparedStream, format);
         }