chore(widget): set Button width and height with impl Into

src/widget/button/icon.rs

@@ -162,8 +162,6 @@ impl<'a, Message: Clone + 'static> From<Button<'a, Message>> for Element<'a, Mes
         let button = if builder.variant.vertical {
             crate::widget::column::with_children(content)
                 .padding(builder.padding)
-                // .width(builder.width)
-                // .height(builder.height)
                 .spacing(builder.spacing)
                 .align_items(Alignment::Center)
                 .apply(button)

src/widget/button/mod.rs

@@ -55,9 +55,11 @@ pub struct Builder<'a, Message, Variant> {
     on_press: Option<Message>,
 
     /// Sets the preferred width of the button.
+    #[setters(into)]
     width: Length,
 
     /// Sets the preferred height of the button.
+    #[setters(into)]
     height: Length,
 
     /// Sets the preferred padding of the button.