Move Vercel /v2/user fetch to pkg/connector/vercel.go → Migrate connector settings callers to generic

- Move Vercel /v2/user fetch to pkg/connector/vercel.go
- Authorize NeedsConfiguration and SelectedOrganization
- Add coredata.ConnectorSettings[T] generic helper
- Migrate connector settings callers to generic

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/server/api/console/v1/access_review_campaign_resolvers.go

@@ -469,6 +469,10 @@ func (r *accessSourceResolver) ProviderOrganizations(ctx context.Context, obj *t
 
 // NeedsConfiguration is the resolver for the needsConfiguration field.
 func (r *accessSourceResolver) NeedsConfiguration(ctx context.Context, obj *types.AccessSource) (bool, error) {
+	if err := r.authorize(ctx, obj.ID, probo.ActionAccessSourceGet); err != nil {
+		return false, err
+	}
+
 	if obj.ConnectorID == nil {
 		return false, nil
 	}
@@ -560,6 +564,10 @@ func (r *accessSourceResolver) ConnectionStatus(ctx context.Context, obj *types.
 
 // SelectedOrganization is the resolver for the selectedOrganization field.
 func (r *accessSourceResolver) SelectedOrganization(ctx context.Context, obj *types.AccessSource) (*string, error) {
+	if err := r.authorize(ctx, obj.ID, probo.ActionAccessSourceGet); err != nil {
+		return nil, err
+	}
+
 	if obj.ConnectorID == nil {
 		return nil, nil
 	}