Revert "raylib ui: reduce DM drawing (#35547)" (#35557)

* Revert "raylib ui: reduce DM drawing (#35547)"

This reverts commit 7b8d6b6eb7.

* actually fix check

selfdrive/ui/onroad/driver_state.py

@@ -50,6 +50,7 @@ class DriverStateRenderer(Widget):
     self.is_active = False
     self.is_rhd = False
     self.dm_fade_state = 0.0
+    self.last_rect: rl.Rectangle = rl.Rectangle(0, 0, 0, 0)
     self.driver_pose_vals = np.zeros(3, dtype=np.float32)
     self.driver_pose_diff = np.zeros(3, dtype=np.float32)
     self.driver_pose_sins = np.zeros(3, dtype=np.float32)
@@ -106,6 +107,10 @@ class DriverStateRenderer(Widget):
     """Update the driver monitoring state based on model data"""
     sm = ui_state.sm
     if not sm.updated["driverMonitoringState"]:
+      if (self._rect.x != self.last_rect.x or self._rect.y != self.last_rect.y or
+          self._rect.width != self.last_rect.width or self._rect.height != self.last_rect.height):
+        self._pre_calculate_drawing_elements()
+        self.last_rect = self._rect
       return
 
     # Get monitoring state