[python-fastapi] Fix: Skip sorting of path operations (#22163)

Make use of helpful code added in
243f501 to skip sorting of path
parameters.  In FastAPI, order matters, see link for details:
https://fastapi.tiangolo.com/tutorial/path-params/?h=path#order-matters

Issue: #22163

Author: zhornback

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonFastAPIServerCodegen.java

@@ -89,6 +89,11 @@ public String getHelp() {
     public PythonFastAPIServerCodegen() {
         super();
 
+        // Skip sorting of operations to preserve the order found in the OpenAPI spec file.  See 
+        // https://fastapi.tiangolo.com/tutorial/path-params/?h=path#order-matters for details on why order matters.
+        LOGGER.info("Skipping sorting of path operations, order matters, let the developer decide via their specification file.");
+        setSkipSortingOperations(true);
+
         modifyFeatureSet(features -> features.includeSecurityFeatures(
                 SecurityFeature.OAuth2_AuthorizationCode,
                 SecurityFeature.OAuth2_Password