Enable simulator hot reloading.

Author: SaadArdati

example/.gitignore

@@ -5,9 +5,11 @@
 *.swp
 .DS_Store
 .atom/
+.build/
 .buildlog/
 .history
 .svn/
+.swiftpm/
 migrate_working_dir/
 
 # IntelliJ related

example/macos/Runner/AppDelegate.swift

@@ -6,4 +6,8 @@ class AppDelegate: FlutterAppDelegate {
   override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
     return true
   }
+
+  override func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
+    return true
+  }
 }

lib/src/data/data_manager.dart

@@ -767,6 +767,12 @@ class DataManager {
     _publishModelStreamController.add(_publishModel);
   }
 
+  Future<void> setPublishModel(SDKPublishModel model) async {
+    _publishModel = model;
+    await emitPublishModel();
+    savePublishModel();
+  }
+
   /// Saves the current [_publishModel] if it is not null to the local cache
   /// using [localDataRepository].
   void savePublishModel() {