refactor(store-example): replace load_from_store with TryFrom impl in example (#3277)

plugins/store/examples/AppSettingsManager/src-tauri/src/main.rs

@@ -18,28 +18,22 @@ fn main() {
         .setup(|app| {
             // Init store and load it from disk
             let store = app.store("settings.json")?;
+
             app.listen("store://change", |event| {
                 dbg!(event);
             });
-            let app_settings = AppSettings::load_from_store(&store);
-            match app_settings {
-                Ok(app_settings) => {
-                    let theme = app_settings.theme;
-                    let launch_at_login = app_settings.launch_at_login;
 
-                    println!("theme {theme}");
-                    println!("launch_at_login {launch_at_login}");
-                    store.set(
-                        "appSettings",
-                        json!({ "theme": theme, "launchAtLogin": launch_at_login }),
-                    );
-                }
-                Err(err) => {
-                    eprintln!("Error loading settings: {err}");
-                    // Handle the error case if needed
-                    return Err(err); // Convert the error to a Box<dyn Error> and return Err(err) here
-                }
-            }
+            let app_settings = AppSettings::from(store.as_ref());
+            let theme = app_settings.theme;
+            let launch_at_login = app_settings.launch_at_login;
+
+            println!("theme {theme}");
+            println!("launch_at_login {launch_at_login}");
+            store.set(
+                "appSettings",
+                json!({ "theme": theme, "launchAtLogin": launch_at_login }),
+            );
+
             Ok(())
         })
         .run(tauri::generate_context!())