buflist: Set last_area as soon as possible

src/components/buflist.rs

@@ -90,6 +90,11 @@ impl Component for Buflist {
     Ok(())
   }
 
+  fn init(&mut self, area: Rect) -> Result<()> {
+    self.last_area = Some(area);
+    Ok(())
+  }
+
   fn handle_mouse_events(&mut self, mouse: MouseEvent) -> Result<Option<Action>> {
     match mouse {
       MouseEvent {