[Improvement] Don't suggest saving email to Drafts if it's just been saved

[tprudentova]

0.12.1 tested on Android, Firefox, Safari, Opera; mail.stg.lin-saas.com

1. Open composer, input some info
2. Click Save as draft
3. Close the composer
4. You see a suggestion to save an email to drafts again

Suggestion: if the email has been manually saved to drafts and no changes have been made after that, we don't show this pop-up

Screen.Recording.2024-07-24.at.14.15.16.mov

[hoangdat]

Properties: Content, Subject, To, Cc, Bcc, Attachment, Identity, Read Receipt -> hashed

Case 1: Open new composer -> Save draft but not close -> close

Saved -> Email -> hashed 1 (selected properties)
Close -> Email -> hashed 2

Case 2: Open Draft

• Hash if argument have Email
• Close -> Email -> hashed 2