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

Follow up on #15926

---------

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

packages/twenty-server/src/database/commands/upgrade-version-command/1-10/1-10-migrate-attachment-type-to-file-category.command.ts

@@ -1,6 +1,7 @@
 import { InjectRepository } from '@nestjs/typeorm';
 
 import { Command } from 'nest-commander';
+import { isDefined } from 'twenty-shared/utils';
 import { Repository } from 'typeorm';
 
 import { ActiveOrSuspendedWorkspacesMigrationCommandRunner } from 'src/database/commands/command-runners/active-or-suspended-workspaces-migration.command-runner';
@@ -62,6 +63,10 @@ export class MigrateAttachmentTypeToFileCategoryCommand extends ActiveOrSuspende
     for (const attachment of attachments) {
       const { id, type } = attachment;
 
+      if (!isDefined(type)) {
+        throw new Error(`Attachment ${id} has no type`);
+      }
+
       const fileCategory =
         TYPE_TO_FILE_CATEGORY_MAPPING[type] ||
         TYPE_TO_FILE_CATEGORY_MAPPING.Other;