🚚 Rename CrateHandle to BaseHandle for base dir

pagetop/src/base/component/button.rs

@@ -1,5 +1,5 @@
 use crate::prelude::*;
-use crate::CrateHandle;
+use crate::BaseHandle;
 
 #[derive(SmartDefault)]
 pub enum ButtonType {
@@ -29,7 +29,7 @@ pub enum ButtonTarget {
 }
 
 #[rustfmt::skip]
-#[derive(ComponentClasses, CrateHandle, SmartDefault)]
+#[derive(BaseHandle, ComponentClasses, SmartDefault)]
 pub struct Button {
     id         : OptionId,
     weight     : Weight,