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-shared/src/workflow/index.ts

@@ -47,6 +47,7 @@ export { workflowWebhookTriggerSchema } from './schemas/webhook-trigger-schema';
 export { workflowActionSchema } from './schemas/workflow-action-schema';
 export { workflowDelayActionSchema } from './schemas/workflow-delay-action-schema';
 export { workflowDelayActionSettingsSchema } from './schemas/workflow-delay-action-settings-schema';
+export { workflowFileSchema } from './schemas/workflow-file-action-schema';
 export { workflowRunSchema } from './schemas/workflow-run-schema';
 export { workflowRunStateSchema } from './schemas/workflow-run-state-schema';
 export { workflowRunStateStepInfoSchema } from './schemas/workflow-run-state-step-info-schema';

packages/twenty-shared/src/workflow/schemas/send-email-action-settings-schema.ts

@@ -1,5 +1,6 @@
 import { z } from 'zod';
 import { baseWorkflowActionSettingsSchema } from './base-workflow-action-settings-schema';
+import { workflowFileSchema } from './workflow-file-action-schema';
 
 export const workflowSendEmailActionSettingsSchema =
   baseWorkflowActionSettingsSchema.extend({
@@ -8,5 +9,6 @@ export const workflowSendEmailActionSettingsSchema =
       email: z.string(),
       subject: z.string().optional(),
       body: z.string().optional(),
+      files: z.array(workflowFileSchema).optional().default([]),
     }),
   });

packages/twenty-shared/src/workflow/schemas/workflow-file-action-schema.ts

@@ -0,0 +1,10 @@
+import { z } from 'zod';
+import { isValidUuid } from '../../utils/validation/isValidUuid';
+
+export const workflowFileSchema = z.object({
+  id: z.string().refine((val) => isValidUuid(val)),
+  name: z.string(),
+  size: z.number(),
+  type: z.string(),
+  createdAt: z.string(),
+});