change to better (more clear) names (#8050)

set_destination_to_current() changed to set_destination_from_current()

set_current_to_destination() changed to set_current_from_destination()

Marlin/src/gcode/motion/G2_G3.cpp

@@ -181,7 +181,7 @@ void plan_arc(
   // As far as the parser is concerned, the position is now == target. In reality the
   // motion control system might still be processing the action and the real tool position
   // in any intermediate location.
-  set_current_to_destination();
+  set_current_from_destination();
 } // plan_arc
 
 /**

Marlin/src/gcode/motion/G5.cpp

@@ -33,7 +33,7 @@ void plan_cubic_move(const float offset[4]) {
   // As far as the parser is concerned, the position is now == destination. In reality the
   // motion control system might still be processing the action and the real tool position
   // in any intermediate location.
-  set_current_to_destination();
+  set_current_from_destination();
 }
 
 /**