Update accounting of backed up attachments

ts/jobs/AttachmentDownloadManager.ts

@@ -32,6 +32,7 @@ import {
   shouldAttachmentEndUpInRemoteBackup,
   getUndownloadedAttachmentSignature,
   isIncremental,
+  hasRequiredInformationForBackup,
 } from '../types/Attachment.js';
 import type { ReadonlyMessageAttributesType } from '../model-types.d.ts';
 import { getMessageById } from '../messages/getMessageById.js';
@@ -294,10 +295,18 @@ export class AttachmentDownloadManager extends JobManager<CoreAttachmentDownload
       messageId,
       receivedAt,
       sentAt,
-      source,
       urgency = AttachmentDownloadUrgency.STANDARD,
     } = newJobData;
 
+    let { source } = newJobData;
+
+    if (
+      source === AttachmentDownloadSource.BACKUP_IMPORT_WITH_MEDIA &&
+      !hasRequiredInformationForBackup(attachment)
+    ) {
+      source = AttachmentDownloadSource.BACKUP_IMPORT_NO_MEDIA;
+    }
+
     const logId = `AttachmentDownloadManager/addJob(${sentAt}.${attachmentType})`;
 
     // For non-media-enabled backups, we will skip queueing download for old attachments
@@ -325,7 +334,8 @@ export class AttachmentDownloadManager extends JobManager<CoreAttachmentDownload
       // download from the transit tier, which would be a slightly smaller size)
       ciphertextSize: getAttachmentCiphertextSize({
         unpaddedPlaintextSize: attachment.size,
-        mediaTier: AttachmentDownloadSource.BACKUP_IMPORT_WITH_MEDIA
+        mediaTier:
+          source === AttachmentDownloadSource.BACKUP_IMPORT_WITH_MEDIA
             ? MediaTier.BACKUP
             : MediaTier.STANDARD,
       }),