Implement NO_MOTION_BEFORE_HOMING option

Marlin/src/gcode/motion/G2_G3.cpp

@@ -211,7 +211,7 @@ void plan_arc(
  *    G3 X20 Y12 R14   ; CCW circle with r=14 ending at X20 Y12
  */
 void GcodeSuite::G2_G3(const bool clockwise) {
-  if (IsRunning()) {
+  if (MOTION_CONDITIONS) {
 
     #if ENABLED(SF_ARC_FIX)
       const bool relative_mode_backup = relative_mode;