migrate AccountManagementView to enostr Keypair

Signed-off-by: kernelkind <kernelkind@gmail.com>
Signed-off-by: William Casarin <jb55@jb55.com>

src/ui/profile/preview.rs

@@ -3,7 +3,7 @@ use crate::imgcache::ImageCache;
 use crate::ui::ProfilePic;
 use crate::{colors, images, DisplayName};
 use egui::load::TexturePoll;
-use egui::{Frame, Layout, RichText, Sense, Vec2, Widget};
+use egui::{Frame, RichText, Sense, Vec2, Widget};
 use egui_extras::Size;
 use nostrdb::ProfileRecord;