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/input/element.rs

@@ -348,8 +348,8 @@ fn print_points_as_svg_path(line_corners: &Vec<Corners<Point<Pixels>>>, points:
 }
 
 impl Element for TextElement {
-    type RequestLayoutState = ();
     type PrepaintState = PrepaintState;
+    type RequestLayoutState = ();
 
     fn id(&self) -> Option<ElementId> {
         None