fix(client-only): Fix client-only Server & CurrentServer usage (#276)

Packages/ohif-servers/both/collections/currentServer.js

@@ -2,7 +2,12 @@ import { Mongo } from 'meteor/mongo';
 import { OHIF } from 'meteor/ohif:core';
 
 // CurrentServer is a single document collection to describe which of the Servers is being used
-const CurrentServer = new Mongo.Collection('currentServer');
+let collectionName = 'currentServer';
+if (Meteor.settings && Meteor.settings.public && Meteor.settings.public.clientOnly === true) {
+    collectionName = null;
+}
+
+const CurrentServer = new Mongo.Collection(collectionName);
 CurrentServer._debugName = 'CurrentServer';
 OHIF.servers.collections.currentServer = CurrentServer;