chore: align "one turn only" rule priority

Author: ivanilves

smart-car/smart-car.ino

@@ -98,11 +98,6 @@ int lDist() {
 }
 
 char chooseDirection(int cdist, int rdist, int ldist) {
-  // don't keep turning right or left more than one loop step
-  if ((pdir == _RHT) or (pdir == _LFT)) {
-    return _FWD;
-  }
-
   // below "0" is a sensor quirk: continue with previously chosen direction in this case
   if ((cdist <= 0) or (rdist <= 0) or (ldist <= 0)) {
     return pdir;
@@ -140,6 +135,11 @@ char chooseDirection(int cdist, int rdist, int ldist) {
     return _SPR;
   }
 
+  // don't keep turning right or left more than one loop step
+  if ((pdir == _RHT) or (pdir == _LFT)) {
+    return _FWD;
+  }
+
   // when obstacle detected: decide to turn left or right
   if (cdist < turnDist) {
     if (rdist < ldist) {