Fix Engine /configuration page textarea populated with data (#4908)

## Problem solved

Short description of the bug fixed or feature added

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## PR-Codex overview
This PR focuses on updating the `useForm` hook in two components, changing the prop from `defaultValues` to `values`. This change ensures that the form initializes with the provided values directly.

### Detailed summary
- In `cors.tsx`, changed `defaultValues` to `values` in the `useForm` hook.
- In `ip-allowlist.tsx`, changed `defaultValues` to `values` in the `useForm` hook.

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Author: MananTank

apps/dashboard/src/components/engine/configuration/cors.tsx

@@ -29,7 +29,7 @@ export const EngineCorsConfig: React.FC<EngineCorsConfigProps> = ({
   );
 
   const form = useForm<CorsForm>({
-    defaultValues: { raw: existingUrls?.join("\n") ?? "" },
+    values: { raw: existingUrls?.join("\n") ?? "" },
   });
 
   const onSubmit = async (data: CorsForm) => {

apps/dashboard/src/components/engine/configuration/ip-allowlist.tsx

@@ -34,7 +34,7 @@ export const EngineIpAllowlistConfig: React.FC<
   const { data: engineHealthInfo } = useEngineSystemHealth(instanceUrl);
 
   const form = useForm<IpForm>({
-    defaultValues: { raw: existingIpAllowlist?.join("\n") ?? "" },
+    values: { raw: existingIpAllowlist?.join("\n") ?? "" },
   });
 
   const onSubmit = async (data: IpForm) => {