raylib scroll panel: check bounds (#36233)

check in bounds rect for scroll panel!!

system/ui/lib/scroll_panel.py

@@ -77,6 +77,7 @@ class GuiScrollPanel:
 
   def _handle_mouse_event(self, mouse_event: MouseEvent, bounds: rl.Rectangle, content: rl.Rectangle):
     if self._scroll_state == ScrollState.IDLE:
+      if rl.check_collision_point_rec(mouse_event.pos, bounds):
         if mouse_event.left_pressed:
           self._start_mouse_y = mouse_event.pos.y
           # Interrupt scrolling with new drag