Revert "internal/restorable: remove 'volatile' attribute when restorable is not used"

This reverts commit 9bdc89d40f.

Reason: Unexpected changes were included

internal/restorable/image.go

@@ -169,11 +169,9 @@ func NewImage(width, height int, imageType ImageType) *Image {
 	}
 
 	var attribute string
-	if needsRestoration() {
-		switch imageType {
-		case ImageTypeVolatile:
-			attribute = "volatile"
-		}
+	switch imageType {
+	case ImageTypeVolatile:
+		attribute = "volatile"
 	}
 	i := &Image{
 		image:     graphicscommand.NewImage(width, height, imageType == ImageTypeScreen, attribute),

internal/ui/window.go

@@ -43,7 +43,6 @@ type Window interface {
 	IsClosingHandled() bool
 	SetMousePassthrough(enabled bool)
 	IsMousePassthrough() bool
-	RequestAttention()
 }
 
 type nullWindow struct{}
@@ -129,6 +128,3 @@ func (*nullWindow) SetMousePassthrough(enabled bool) {
 func (*nullWindow) IsMousePassthrough() bool {
 	return false
 }
-
-func (*nullWindow) RequestAttention() {
-}

internal/ui/window_glfw.go

@@ -506,19 +506,3 @@ func (w *glfwWindow) IsMousePassthrough() bool {
 	})
 	return v
 }
-
-func (w *glfwWindow) RequestAttention() {
-	if w.ui.isTerminated() {
-		return
-	}
-	if !w.ui.isRunning() {
-		// Do nothing
-		return
-	}
-	w.ui.mainThread.Call(func() {
-		if w.ui.isTerminated() {
-			return
-		}
-		w.ui.window.RequestAttention()
-	})
-}

window.go

@@ -341,7 +341,3 @@ func SetWindowMousePassthrough(enabled bool) {
 func IsWindowMousePassthrough() bool {
 	return ui.Get().Window().IsMousePassthrough()
 }
-
-func RequestWindowAttention() {
-	ui.Get().Window().RequestAttention()
-}