Add description to oAuth_only app created (#20336)

## Before

<img width="1000" height="555" alt="image"
src="https://github.com/user-attachments/assets/bda317c7-93e7-448e-8e65-a9cc1be6df95"
/>

## After
<img width="1010" height="504" alt="image"
src="https://github.com/user-attachments/assets/5cbc5c6c-5cc3-40d8-9545-ba0f3d2675b4"
/>
<img width="980" height="574" alt="image"
src="https://github.com/user-attachments/assets/4386fe56-0614-4a4e-82a0-c9f46af69c85"
/>

packages/twenty-server/src/engine/core-modules/application/application-oauth/oauth.service.ts

@@ -586,7 +586,8 @@ export class OAuthService {
     return this.applicationService.create({
       universalIdentifier: applicationRegistration.universalIdentifier,
       name: applicationRegistration.name,
-      version: '0.0.0',
+      description: `OAuth application registered as "${applicationRegistration.name}"`,
+      version: applicationRegistration.latestAvailableVersion ?? '1.0.0',
       sourcePath: 'oauth-install',
       applicationRegistrationId: applicationRegistration.id,
       workspaceId,