Avoid repeated Enable/Disable on an axis if already in desired state

src/modules/motion.cpp

@@ -15,6 +15,7 @@ void Motion::InitAxis(Axis axis) {
 }
 
 void Motion::SetEnabled(Axis axis, bool enabled) {
+    if (enabled != axisData[axis].enabled) {
         axisData[axis].drv.SetEnabled(axisParams[axis].params, enabled);
         axisData[axis].enabled = enabled;
 
@@ -23,6 +24,7 @@ void Motion::SetEnabled(Axis axis, bool enabled) {
             axisData[axis].stall_trig = false;
             axisData[axis].stall_cnt = 0;
         }
+    } // else skip unnecessary Enable/Disable operations on an axis if already in the desired state
 }
 
 void Motion::SetMode(Axis axis, MotorMode mode) {

src/modules/motion.h

@@ -191,6 +191,7 @@ private:
                 axisParams[axis].jerk,
                 axisParams[axis].accel,
             },
+            .enabled = false
         };
     }