better migration progress bar (#1993)

* better migration progress bar

* show different messages based on setup type and fix modal height

* type safety

Co-authored-by: Matt Hill <matthewonthemoon@gmail.com>

backend/src/backup/backup_bulk.rs

@@ -358,11 +358,11 @@ async fn perform_backup<Db: DbHandle>(
             .await;
 
         let mut tx = db.begin().await?;
-        let lock_package = crate::db::DatabaseModel::new()
+        crate::db::DatabaseModel::new()
             .package_data()
             .idx(&package_id)
             .lock(&mut tx, LockType::Write)
-            .await;
+            .await?;
 
         installed_model.lock(&mut tx, LockType::Write).await?;
 

backend/src/backup/restore.rs

@@ -179,7 +179,7 @@ impl ProgressInfo {
         }
 
         SetupStatus {
-            total_bytes,
+            total_bytes: Some(total_bytes),
             bytes_transferred,
             complete: false,
         }