delete attachment when file is removed from activity body (#11952)

Using useEffect triggered at ActivityRichTextEditor unmount, to delete
attachments only when note is closed (and not when file block is deleted
during note update to keep command + z shortcut)

closes : https://github.com/twentyhq/twenty/issues/11229

packages/twenty-front/src/modules/activities/utils/getAttachmentPath.ts

@@ -0,0 +1,3 @@
+export const getAttachmentPath = (attachmentFullPath: string) => {
+  return attachmentFullPath.split('/files/')[1].split('?')[0];
+};