Switch to egui master to fix wgpu issues

There are some wgpu issues that are fixed in egui-master, so
let's switch to that.

This fixes notedeck so that it runs on both my intel graphics laptop
and amdgpu desktop.

Fixes: https://github.com/damus-io/notedeck/issues/28
Fixes: https://github.com/damus-io/notedeck/issues/42
Fixes: https://github.com/damus-io/notedeck/issues/141
Signed-off-by: William Casarin <jb55@jb55.com>

src/ui/account_login_view.rs

@@ -296,7 +296,7 @@ fn show_error(ui: &mut egui::Ui, err: &LoginError) {
                 egui::Label::new(RichText::new(e).color(ui.visuals().error_fg_color))
             }
         };
-        ui.add(error_label.truncate(true));
+        ui.add(error_label.truncate());
     });
 }