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/view/dtos/inputs/create-view.input.ts

@@ -59,6 +59,11 @@ export class CreateViewInput {
   @Field({ nullable: true, defaultValue: false })
   isCompact?: boolean;
 
+  @IsOptional()
+  @IsBoolean()
+  @Field({ nullable: true, defaultValue: false })
+  shouldHideEmptyGroups?: boolean;
+
   @IsOptional()
   @IsEnum(ViewOpenRecordIn)
   @Field(() => ViewOpenRecordIn, {

packages/twenty-server/src/engine/metadata-modules/view/dtos/inputs/update-view.input.ts

@@ -92,4 +92,9 @@ export class UpdateViewInput {
   @IsUUID()
   @Field(() => UUIDScalarType, { nullable: true })
   mainGroupByFieldMetadataId?: string | null;
+
+  @IsOptional()
+  @IsBoolean()
+  @Field({ nullable: true })
+  shouldHideEmptyGroups?: boolean;
 }

packages/twenty-server/src/engine/metadata-modules/view/dtos/view.dto.ts

@@ -65,6 +65,9 @@ export class ViewDTO {
   @Field(() => UUIDScalarType, { nullable: true })
   mainGroupByFieldMetadataId?: string | null;
 
+  @Field({ nullable: false, defaultValue: false })
+  shouldHideEmptyGroups: boolean;
+
   @Field(() => UUIDScalarType, { nullable: true })
   calendarFieldMetadataId?: string | null;
 

packages/twenty-server/src/engine/metadata-modules/view/entities/view.entity.ts

@@ -152,6 +152,9 @@ export class ViewEntity extends SyncableEntity implements Required<ViewEntity> {
   @JoinColumn({ name: 'mainGroupByFieldMetadataId' })
   mainGroupByFieldMetadata: Relation<FieldMetadataEntity>;
 
+  @Column({ nullable: false, default: false, type: 'boolean' })
+  shouldHideEmptyGroups: boolean;
+
   @Column({ nullable: false, type: 'uuid' })
   workspaceId: string;