Use transaction on restore to go brr. (#10375)

refactor: use transaction to go brr.

This improve the restore speed on fresh db and non fresh db.

Signed-off-by: KaiserBh <kaiserbh@proton.me>

app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/restorers/MangaRestorer.kt

@@ -57,6 +57,7 @@ class MangaRestorer(
         backupManga: BackupManga,
         backupCategories: List<BackupCategory>,
     ) {
+        handler.await(inTransaction = true) {
             val dbManga = findExistingManga(backupManga)
             val manga = backupManga.getMangaImpl()
             val restoredManga = if (dbManga == null) {
@@ -74,6 +75,7 @@ class MangaRestorer(
                 tracks = backupManga.tracking,
             )
         }
+    }
 
     private suspend fun findExistingManga(backupManga: BackupManga): Manga? {
         return getMangaByUrlAndSourceId.await(backupManga.url, backupManga.source)