Mazda: no steer unavailable alert for cars with full range steering (#23998)

* allow steer if minSteerSpeed is <= 0

* need to understand lkas_blocked, can we just use that?

need to understand lkas_blocked, can we just use that?

* Revert "need to understand lkas_blocked, can we just use that?"

This reverts commit 8793fb562d.

* better

* fix

* little more clear

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

selfdrive/car/mazda/carstate.py

@@ -72,6 +72,8 @@ class CarState(CarStateBase):
         self.lkas_allowed_speed = True
       elif speed_kph < LKAS_LIMITS.DISABLE_SPEED:
         self.lkas_allowed_speed = False
+    else:
+      self.lkas_allowed_speed = True
 
     # TODO: the signal used for available seems to be the adaptive cruise signal, instead of the main on
     #       it should be used for carState.cruiseState.nonAdaptive instead