remove typed stuff / just specify rsc if needed

core/src/event/ctx.rs

@@ -2,13 +2,13 @@ use crate::{HasEvents, HasUi, Widget, WidgetRef};
 
 pub struct EventCtx<'a, Rsc: HasEvents, Data> {
     pub state: &'a mut Rsc::State,
-    pub data: &'a mut Data,
+    pub data: Data,
 }
 
 pub struct EventIdCtx<'a, Rsc: HasEvents, Data, W: ?Sized> {
     pub widget: WidgetRef<W>,
     pub state: &'a mut Rsc::State,
-    pub data: &'a mut Data,
+    pub data: Data,
 }
 
 impl<Rsc: HasEvents + HasUi, Data, W: Widget> EventIdCtx<'_, Rsc, Data, W> {