longitudinal: only apply overshoot prevention when braking (#22986)
longitudinal: only apply overshoot prevention when braking (#22986)

* only if braking is desired

* use v_target to determine stopping

* more clear?
commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot