feat: Attachement for Send Email workflow node (#15044)

## Description

- This PR addresses the one issue out of
https://github.com/twentyhq/core-team-issues/issues/1685
-  Added backend support for workflow node to support attachement
- updated send email schema, core utility 
- added workflowattachmentRow and workflowsendEmailAttachment file to
handle file attachment in email workflow
- updated Google and Microsoft to use MailComposer which unifies with
SMTP provider and improves mail structure

## Visual Appearance



https://github.com/user-attachments/assets/16478569-0a83-417e-a85e-70e41fe83343

---------

Co-authored-by: martmull <martmull@hotmail.fr>

packages/twenty-server/src/engine/core-modules/ai/ai.module.ts

@@ -22,12 +22,15 @@ import { WorkspacePermissionsCacheModule } from 'src/engine/metadata-modules/wor
 import { TwentyORMModule } from 'src/engine/twenty-orm/twenty-orm.module';
 import { WorkspaceCacheStorageModule } from 'src/engine/workspace-cache-storage/workspace-cache-storage.module';
 import { MessagingModule } from 'src/modules/messaging/messaging.module';
+import { FileEntity } from 'src/engine/core-modules/file/entities/file.entity';
+import { FileModule } from 'src/engine/core-modules/file/file.module';
 
 @Global()
 @Module({
   imports: [
-    TypeOrmModule.forFeature([RoleEntity]),
+    TypeOrmModule.forFeature([RoleEntity, FileEntity]),
     TokenModule,
+    FileModule,
     FeatureFlagModule,
     RecordCrudModule,
     ObjectMetadataModule,