Always enable crash checking for network ai

src/karts/controller/skidding_ai.cpp

@@ -2458,7 +2458,11 @@ void SkiddingAI::checkCrashes(const Vec3& pos )
     // If slipstream should be handled actively, trigger overtaking the
     // kart which gives us slipstream if slipstream is ready
     const SlipStream *slip=m_kart->getSlipstream();
-    if(m_ai_properties->m_make_use_of_slipstream &&
+    // Atm network ai always use slipstream because it's a player controller
+    // underlying
+    bool use_slipstream =
+        m_enabled_network_ai || m_ai_properties->m_make_use_of_slipstream;
+    if(use_slipstream &&
         slip->isSlipstreamReady() &&
         slip->getSlipstreamTarget())
     {