fix: add conditional authorization header for dslf in curl commands (#7457)

* ✨ (get-curl-code.tsx): add support for ENABLE_DATASTAX_LANGFLOW feature flag to include Authorization header in curl command if flag is enabled

* 🐛 (get-curl-code.tsx): fix conditional logic for adding x-api-key header in curl command to correctly handle authentication status

---------

Co-authored-by: Mike Fortman <michael.fortman@datastax.com>

src/frontend/src/modals/apiModal/utils/get-curl-code.tsx

@@ -1,3 +1,4 @@
+import { ENABLE_DATASTAX_LANGFLOW } from "@/customization/feature-flags";
 import useFlowStore from "@/stores/flowStore";
 import { GetCodeType } from "@/types/tweaks";
 
@@ -62,8 +63,12 @@ export function getCurlWebhookCode({
 
   return `curl -X POST \\
   "${baseUrl}" \\
-  -H 'Content-Type: application/json'\\${
-    !isAuth ? `\n  -H 'x-api-key: <your api key>'\\` : ""
+  -H 'Content-Type: application/json' \\${
+    isAuth ? `\n  -H 'x-api-key: <your api key>' \\` : ""
+  }${
+    ENABLE_DATASTAX_LANGFLOW
+      ? `\n  -H 'Authorization: Bearer <YOUR_APPLICATION_TOKEN>' \\`
+      : ""
   }
   -d '{"any": "data"}'
   `.trim();