new memo delete image does not trigger synchronized deletion

[EricWvi]

Describe the bug

At the create modal, delete images does not trigger synchronized deletion.

Steps to reproduce

1. Create a memo, write some words
2. paste a image
3. do not Save, just click the delete image button
4. the file in S3 bucket does not get deleted

The version of Memos you're using

0.24.2

Screenshots or additional context

No response