7417 workflows i can send emails using the email account (#7431)

- update `send-email.workflow-action.ts` so it send email via the google
sdk
- remove useless `workflow-action.email.ts`
- add `send` authorization to google api scopes
- update the front workflow email step form to provide a
`connectedAccountId` from the available connected accounts
- update the permissions of connected accounts: ask users to reconnect
when selecting missing send permission


![image](https://github.com/user-attachments/assets/fe3c329d-fd67-4d0d-8450-099c35933645)

packages/twenty-front/src/modules/accounts/constants/GmailSendScope.ts

@@ -0,0 +1 @@
+export const GMAIL_SEND_SCOPE = 'https://www.googleapis.com/auth/gmail.send';