Add comment in accessibility pass (#704)

masonry/src/passes/accessibility.rs

@@ -105,6 +105,8 @@ fn build_access_node(widget: &mut dyn Widget, ctx: &mut AccessCtx) -> NodeBuilde
             .collect::<Vec<NodeId>>(),
     );
 
+    // Note - These WidgetState flags can be modified by other passes.
+    // When that happens, the other pass should set flags to request an accessibility pass.
     if ctx.is_hovered() {
         node.set_hovered();
     }