fix typos

Author: stefpi

selfdrive/ui/mici/layouts/main.py

@@ -71,10 +71,11 @@ def _scroll_to(self, layout: Widget):
     self._scroller.scroll_to(layout_x, smooth=True)
 
   def _render(self, _):
-    if ui_state.is_body != self._prev_body:
+    if ui_state.is_body != self._prev_is_body:
+      self._prev_is_body = ui_state.is_body
       for layout in (self._home_layout, self._onroad_layout):
         idx = self._scroller._items.index(layout)
-        layout = BodyLayout if ui_state.is_body else MiciBodyHomeLayout()
+        layout = BodyLayout() if ui_state.is_body else MiciBodyHomeLayout()
         self._scroller._items[idx] = layout
 
     if not self._setup: