Fix some crashes for atomic function references

internal/app/lifecycle.go

@@ -50,40 +50,40 @@ func (l *Lifecycle) SetOnStopped(f func()) {
 
 // TriggerEnteredForeground will call the focus gained hook, if one is registered.
 func (l *Lifecycle) TriggerEnteredForeground() {
-	f := *l.onForeground.Load()
+	f := l.onForeground.Load()
 	if f == nil {
 		return
 	}
 
-	f()
+	(*f)()
 }
 
 // TriggerExitedForeground will call the focus lost hook, if one is registered.
 func (l *Lifecycle) TriggerExitedForeground() {
-	f := *l.onBackground.Load()
+	f := l.onBackground.Load()
 	if f == nil {
 		return
 	}
 
-	f()
+	(*f)()
 }
 
 // TriggerStarted will call the started hook, if one is registered.
 func (l *Lifecycle) TriggerStarted() {
-	f := *l.onStarted.Load()
+	f := l.onStarted.Load()
 	if f == nil {
 		return
 	}
 
-	f()
+	(*f)()
 }
 
 // TriggerStopped will call the stopped hook, if one is registered,
 // and an internal stopped hook after that.
 func (l *Lifecycle) TriggerStopped() {
-	f := *l.onStopped.Load()
+	f := l.onStopped.Load()
 	if f != nil {
-		f()
+		(*f)()
 	}
 
 	if l.onStoppedHookExecuted != nil {

widget/bind_helper.go

@@ -19,12 +19,12 @@ type basicBinder struct {
 // Bind replaces the data item whose changes are tracked by the callback function.
 func (binder *basicBinder) Bind(data binding.DataItem) {
 	listener := binding.NewDataListener(func() { // NB: listener captures `data` but always calls the up-to-date callback
-		f := *binder.callback.Load()
+		f := binder.callback.Load()
 		if f == nil {
 			return
 		}
 
-		f(data)
+		(*f)(data)
 	})
 	data.AddListener(listener)
 	listenerInfo := annotatedListener{