Fix guard sync widget for django demo

Author: simolus3

demos/django-todolist/lib/widgets/guard_by_sync.dart

@@ -25,10 +25,7 @@ class GuardBySync extends StatelessWidget {
       builder: (context, snapshot) {
         final status = snapshot.requireData;
         final (didSync, progress) = switch (priority) {
-          null => (
-              status.hasSynced ?? false,
-              status.downloadProgress?.untilCompletion
-            ),
+          null => (status.hasSynced ?? false, status.downloadProgress),
           var priority? => (
               status.statusForPriority(priority).hasSynced ?? false,
               status.downloadProgress?.untilPriority(priority)
@@ -42,9 +39,10 @@ class GuardBySync extends StatelessWidget {
             child: Column(
               children: [
                 const Text('Busy with sync...'),
-                LinearProgressIndicator(value: progress?.fraction),
+                LinearProgressIndicator(value: progress?.downloadedFraction),
                 if (progress case final progress?)
-                  Text('${progress.completed} out of ${progress.total}')
+                  Text(
+                      '${progress.downloadedOperations} out of ${progress.totalOperations}')
               ],
             ),
           );

demos/django-todolist/pubspec.lock

@@ -310,21 +310,21 @@ packages:
       path: "../../packages/powersync"
       relative: true
     source: path
-    version: "1.11.3"
+    version: "1.12.4"
   powersync_core:
     dependency: "direct overridden"
     description:
       path: "../../packages/powersync_core"
       relative: true
     source: path
-    version: "1.1.3"
+    version: "1.2.4"
   powersync_flutter_libs:
     dependency: "direct overridden"
     description:
       path: "../../packages/powersync_flutter_libs"
       relative: true
     source: path
-    version: "0.4.5"
+    version: "0.4.7"
   pub_semver:
     dependency: transitive
     description:
@@ -438,10 +438,10 @@ packages:
     dependency: transitive
     description:
       name: sqlite3_web
-      sha256: "870f287c2375117af1f769893c5ea0941882ee820444af5c3dcceec3b217aab1"
+      sha256: "967e076442f7e1233bd7241ca61f3efe4c7fc168dac0f38411bdb3bdf471eb3c"
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.0"
+    version: "0.3.1"
   sqlite_async:
     dependency: "direct main"
     description: