fix: address comment

Author: SoulPancake

src/main/java/dev/openfga/sdk/api/BaseStreamingApi.java

@@ -168,17 +168,16 @@ protected HttpRequest buildHttpRequest(String method, String path, Object body,
             byte[] bodyBytes = objectMapper.writeValueAsBytes(body);
             HttpRequest.Builder requestBuilder = ApiClient.requestBuilder(method, path, bodyBytes, configuration);
 
-            // Apply request interceptors if any
-            var interceptor = apiClient.getRequestInterceptor();
-            if (interceptor != null) {
-                interceptor.accept(requestBuilder);
-            }
-
             // Attach authorization header if credentials are configured
-            // Applied after interceptors to avoid duplicate headers
             String accessToken = apiClient.getAccessToken(configuration);
             if (accessToken != null) {
-                requestBuilder.setHeader("Authorization", "Bearer " + accessToken);
+                requestBuilder.header("Authorization", "Bearer " + accessToken);
+            }
+
+            // Apply request interceptors last so they can override any header
+            var interceptor = apiClient.getRequestInterceptor();
+            if (interceptor != null) {
+                interceptor.accept(requestBuilder);
             }
 
             return requestBuilder.build();