Add the shortcut key function for rotating the object by 45°

  1. Feature Introduction:
    A shortcut key has been added to rotate objects by 45 degrees to improve the efficiency of adjusting angles when placing furniture or accessories.
  2. Steps for graphical and textual operation:
    Open the drawing, select the object you want to rotate, press the "spacebar" once, and the object will display guide axes to assist in rotating by 45 degrees.