Be polite! While on walk intent you won't bump, swap places or push other people now. (#68493)

Co-authored-by: Seth Scherer <supernovaa41@gmx.com>

code/modules/mob/living/living.dm

@@ -81,6 +81,10 @@
 
 //Called when we bump onto a mob
 /mob/living/proc/MobBump(mob/M)
+	//No bumping/swapping/pushing others if you are on walk intent
+	if(m_intent == MOVE_INTENT_WALK)
+		return TRUE
+
 	SEND_SIGNAL(src, COMSIG_LIVING_MOB_BUMP, M)
 	//Even if we don't push/swap places, we "touched" them, so spread fire
 	spreadFire(M)