Fix preview item selection in grid config (#3645)

* Fix preview item selection in grid config

* Automatic frontend build

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Co-authored-by: vin0401 <26813978+vin0401@users.noreply.github.com>

Author: vin0401

assets/js/src/core/modules/data-object/listing/decorator/column-configuration/view-layer/components/grid/hooks/use-grid-options/tabs/grid-config/forms/advanced-column-form/preview/preview-item-selection.tsx

@@ -28,7 +28,7 @@ export const PreviewItemSelection = (): React.JSX.Element => {
     },
     config: {
       objects: {
-        allowedTypes: [selectedClassDefinition?.name ?? '']
+        allowedClasses: selectedClassDefinition?.name !== undefined ? [selectedClassDefinition.name] : undefined
       }
     },