chore: reduce component overhead (#3)

Reviewed-on: reya/gpui-native-kit#3

crates/core/src/button.rs

@@ -4,7 +4,7 @@ use gpui::prelude::FluentBuilder as _;
 use gpui::{
     AnyView, App, ClickEvent, ElementId, InteractiveElement as _, IntoElement, ParentElement as _,
     RenderOnce, Role, SharedString, StatefulInteractiveElement as _, Styled as _, Window, canvas,
-    hsla, relative,
+    relative, transparent_black,
 };
 use gpui_native_icons::{IconRole, icon};
 use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH, Size};
@@ -199,9 +199,9 @@ impl RenderOnce for Button {
             match background {
                 Some(fill) => (fill, hover, pressed),
                 None => (
-                    hsla(0.0, 0.0, 0.0, 0.0),
-                    hsla(0.0, 0.0, 0.0, 0.0),
-                    hsla(0.0, 0.0, 0.0, 0.0),
+                    transparent_black(),
+                    transparent_black(),
+                    transparent_black(),
                 ),
             }
         };