chore(dx): add isort to vscode settings (#27868)

.vscode/settings.json

@@ -45,7 +45,10 @@
   },
 
   "[python]": {
-    "editor.formatOnSave": true
+    "editor.formatOnSave": true,
+    "editor.codeActionsOnSave": {
+      "source.organizeImports": true
+    }
   },
 
   "[html]": {