Fix input position backfill (#5731)

Some objects do not have position field so they should not be backfilled

packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/has-position-field.util.ts

@@ -0,0 +1,6 @@
+import { ObjectMetadataInterface } from 'src/engine/metadata-modules/field-metadata/interfaces/object-metadata.interface';
+
+export const hasPositionField = (objectMetadataItem: ObjectMetadataInterface) =>
+  ['opportunity', 'person', 'company'].includes(
+    objectMetadataItem.nameSingular,
+  ) || objectMetadataItem.isCustom;