Feature/support new tachiyomi backup file extension (#430)

* [Codegen] Fix restore backup mutation/query

The server doesn't support nested objects for file uploads

* Support new tachiyomi backup extension

src/lib/graphql/mutations/BackupMutation.ts

@@ -18,8 +18,8 @@ export const CREATE_BACKUP = gql`
 `;
 
 export const RESTORE_BACKUP = gql`
-    mutation RESTORE_BACKUP($input: RestoreBackupInput!) {
-        restoreBackup(input: $input) {
+    mutation RESTORE_BACKUP($backup: Upload!) {
+        restoreBackup(input: { backup: $backup }) {
             clientMutationId
             status {
                 mangaProgress