Turn fans off in zero_fan_speeds

Addressing #13231

Marlin/src/module/temperature.h

 
     static inline void zero_fan_speeds() {
       #if FAN_COUNT > 0
-        FANS_LOOP(i) fan_speed[i] = 0;
+        FANS_LOOP(i) set_fan_speed(i, 0);
       #endif
     }