Unify previous source resolution

internal/app/restore_discovery.go

@@ -21,6 +21,7 @@ type RemoteCurrentState struct {
 	SessionID          string
 	Campaign           string
 	Manifest           *manifest.Manifest
+	ManifestData       []byte
 	Commit             *artifacts.RemoteCommitManifest
 }
 
@@ -60,6 +61,7 @@ func discoverRemoteCurrentState(ctx context.Context, cfg *config.Config, store s
 		SessionID:          strings.TrimSpace(current.Manifest.SessionID),
 		Campaign:           strings.TrimSpace(current.Manifest.Campaign),
 		Manifest:           current.Manifest,
+		ManifestData:       append([]byte(nil), current.ManifestData...),
 		Commit:             current.Commit,
 	}, nil
 }