Fix: Persist hide empty groups setting on backend (BREAKING: deploy server first) (#16385)

Closes #13754 and [core team issue
#414](https://github.com/twentyhq/core-team-issues/issues/414)

packages/twenty-server/src/engine/metadata-modules/flat-view/constants/flat-view-editable-properties.constant.ts

@@ -14,4 +14,5 @@ export const FLAT_VIEW_EDITABLE_PROPERTIES = [
   'calendarFieldMetadataId',
   'visibility',
   'mainGroupByFieldMetadataId',
+  'shouldHideEmptyGroups',
 ] as const satisfies (keyof FlatView)[];

packages/twenty-server/src/engine/metadata-modules/flat-view/utils/from-create-view-input-to-flat-view-to-create.util.ts

@@ -52,6 +52,7 @@ export const fromCreateViewInputToFlatViewToCreate = ({
     calendarLayout: createViewInput.calendarLayout ?? null,
     icon: createViewInput.icon,
     isCompact: createViewInput.isCompact ?? false,
+    shouldHideEmptyGroups: createViewInput.shouldHideEmptyGroups ?? false,
     kanbanAggregateOperation: createViewInput.kanbanAggregateOperation ?? null,
     kanbanAggregateOperationFieldMetadataId:
       createViewInput.kanbanAggregateOperationFieldMetadataId ?? null,