feat: inline storage columns in remote and local tables

mobile/lib/infrastructure/repositories/local_asset.repository.dart

@@ -9,23 +9,10 @@ class DriftLocalAssetRepository extends DriftDatabaseRepository {
   const DriftLocalAssetRepository(this._db) : super(_db);
 
   Stream<LocalAsset?> watchAsset(String id) {
-    final query = _db.localAssetEntity
-        .select()
-        .addColumns([_db.localAssetEntity.id]).join([
-      leftOuterJoin(
-        _db.remoteAssetEntity,
-        _db.localAssetEntity.checksum.equalsExp(_db.remoteAssetEntity.checksum),
-        useColumns: false,
-      ),
-    ])
-      ..where(_db.localAssetEntity.id.equals(id));
+    final query = _db.localAssetEntity.select()
+      ..where((row) => row.id.equals(id));
 
-    return query.map((row) {
-      final asset = row.readTable(_db.localAssetEntity).toDto();
-      return asset.copyWith(
-        remoteId: row.read(_db.remoteAssetEntity.id),
-      );
-    }).watchSingleOrNull();
+    return query.map((row) => row.toDto()).watchSingleOrNull();
   }
 
   Future<void> updateHashes(Iterable<LocalAsset> hashes) {