Update workspace entities to make all TEXT nullable (#16144)

Follow up on #15926

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Co-authored-by: Etienne <45695613+etiennejouan@users.noreply.github.com>
Co-authored-by: guillim <guigloo@msn.com>

packages/twenty-server/src/modules/blocklist/standard-objects/blocklist.workspace-entity.ts

@@ -1,6 +1,6 @@
 import { msg } from '@lingui/core/macro';
-import { FieldMetadataType, RelationOnDeleteAction } from 'twenty-shared/types';
 import { STANDARD_OBJECT_IDS } from 'twenty-shared/metadata';
+import { FieldMetadataType, RelationOnDeleteAction } from 'twenty-shared/types';
 
 import { RelationType } from 'src/engine/metadata-modules/field-metadata/interfaces/relation-type.interface';
 import { Relation } from 'src/engine/workspace-manager/workspace-sync-metadata/interfaces/relation.interface';
@@ -8,6 +8,7 @@ import { Relation } from 'src/engine/workspace-manager/workspace-sync-metadata/i
 import { BaseWorkspaceEntity } from 'src/engine/twenty-orm/base.workspace-entity';
 import { WorkspaceEntity } from 'src/engine/twenty-orm/decorators/workspace-entity.decorator';
 import { WorkspaceField } from 'src/engine/twenty-orm/decorators/workspace-field.decorator';
+import { WorkspaceIsNullable } from 'src/engine/twenty-orm/decorators/workspace-is-nullable.decorator';
 import { WorkspaceIsSystem } from 'src/engine/twenty-orm/decorators/workspace-is-system.decorator';
 import { WorkspaceJoinColumn } from 'src/engine/twenty-orm/decorators/workspace-join-column.decorator';
 import { WorkspaceRelation } from 'src/engine/twenty-orm/decorators/workspace-relation.decorator';
@@ -34,7 +35,8 @@ export class BlocklistWorkspaceEntity extends BaseWorkspaceEntity {
     description: msg`Handle`,
     icon: 'IconAt',
   })
-  handle: string;
+  @WorkspaceIsNullable()
+  handle: string | null;
 
   @WorkspaceRelation({
     standardId: BLOCKLIST_STANDARD_FIELD_IDS.workspaceMember,