[Feature] Add init Toggle support

Example/HostingExample/ViewController.swift

@@ -66,6 +66,6 @@ class ViewController: NSViewController {
 
 struct ContentView: View {
     var body: some View {
-        AnimatedColorTimelineView()
+        ToggleExample()
     }
 }

Example/SharedExample/View/ToggleExample.swift

@@ -0,0 +1,25 @@
+//
+//  ToggleExample.swift
+//  SharedExample
+
+#if OPENSWIFTUI
+import OpenSwiftUI
+#else
+import SwiftUI
+#endif
+
+struct ToggleExample: View {
+    // FIXME: Fix Representable update logic and add test case
+    @State var toggle = false
+
+    var body: some View {
+        Toggle(isOn: $toggle) {
+            Color.red
+        }
+        .onAppear {
+            DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
+                toggle.toggle()
+            }
+        }
+    }
+}

Sources/OpenSwiftUI/Integration/Representable/Platform/PlatformViewCoordinator.swift

@@ -13,6 +13,16 @@ import OpenSwiftUICore
 #if canImport(Darwin)
 @objc
 #endif
-class PlatformViewCoordinator: NSObject {}
-
-// TODO: weakDispatchUpdate
+class PlatformViewCoordinator: NSObject {
+    var weakDispatchUpdate: (() -> Void) -> Void {
+        { [weak self] update in
+            guard let self else {
+                update()
+                return
+            }
+            Update.dispatchImmediately { // FIXME: reason: nil
+                update()
+            }
+        }
+    }
+}