chore: refactor the global state and improve signer (#56)

* refactor

* update

* .

* rustfmt

* .

* .

* .

* .

* .

* add document

* .

* add logout

* handle error

* chore: update gpui

* adjust timeout

crates/ui/src/scroll/scrollable_mask.rs

@@ -46,8 +46,8 @@ impl IntoElement for ScrollableMask {
 }
 
 impl Element for ScrollableMask {
-    type RequestLayoutState = ();
     type PrepaintState = Hitbox;
+    type RequestLayoutState = ();
 
     fn id(&self) -> Option<ElementId> {
         None