Update autoColorRing.js

Not sure how I got a token without an actor, and this definitely isn't the best fix, but this change made the module stop complaining during play last night. :)

scripts/autoColorRing.js

@@ -107,7 +107,7 @@ function getColorForHealthLevel(level) {
  */
 function getSetting(token, typeOrColor, ringOrBackground) {
   const actor = token.actor;
-  const isParty = game.actors.party.members.some((a) => a.id === actor.id);
+  const isParty = game.actors.party.members.some((a) => a.id === actor?.id);
   const type = isParty
     ? "party"
     : {