fix errors and use accent color

wgui/src/components/checkbox.rs

@@ -355,7 +355,7 @@ pub fn construct(ess: &mut ConstructEssentials, params: Params) -> anyhow::Resul
 	let color_checked = if let Some(color) = params.color_checked {
 		color
 	} else {
-		theme.button_color
+		theme.accent_color
 	};
 
 	let color_unchecked = if let Some(color) = params.color_unchecked {

wgui/src/parser/component_checkbox.rs

@@ -91,6 +91,8 @@ pub fn parse_component_checkbox(
 			radio_group,
 			value: component_value,
 			tooltip: tooltip.get_info(),
+			color_checked: None,
+			color_unchecked: None,
 		},
 	)?;