Fix some lint error + change error handling

Signed-off-by: Émile Ré <emile@getprobo.com>

pkg/cookiebanner/service.go

@@ -920,13 +920,14 @@ type MoveCookieToCategoryResult struct {
 
 func (s *Service) MoveCookieToCategory(
 	ctx context.Context,
-	scope coredata.Scoper,
 	req MoveCookieToCategoryRequest,
 ) (*MoveCookieToCategoryResult, error) {
 	if err := req.Validate(); err != nil {
 		return nil, fmt.Errorf("invalid request: %w", err)
 	}
 
+	scope := coredata.NewScopeFromObjectID(req.SourceCookieCategoryID)
+
 	var result MoveCookieToCategoryResult
 
 	err := s.pg.WithTx(