T11b loading: progress bars and rings that glide, loading overlay, lazy load, suspense and async view, refresh and typing indicators, upload list; draw-time notifies ask for a frame

src/forms/tests/mod.rs

@@ -3,6 +3,7 @@ mod colors;
 mod dates;
 mod other;
 mod structure;
+mod upload;
 
 use gpui::{
     AppContext as _, Context, Entity, EntityInputHandler, IntoElement, KeyUpEvent, Keystroke,