Merge pull request #860 from PavelSindler/crash_det_issue

Crash detection/stop print erroneous movements hotfix

Firmware/Marlin_main.cpp

@@ -7317,6 +7317,7 @@ void clamp_to_software_endstops(float target[3])
             float de = e - current_position[E_AXIS];
             for (int i = 1; i < n_segments; ++ i) {
                 float t = float(i) / float(n_segments);
+                if (saved_printing || (mbl.active == false)) return;
                 plan_buffer_line(
                                  current_position[X_AXIS] + t * dx,
                                  current_position[Y_AXIS] + t * dy,