Use (apparently) correct MAC bits

MAC generation in Gluon has a base number with an added index of 0-7.
https://github.com/freifunk-gluon/gluon/blob/6a0ca58fc3fd0a86292274a4a0fd47a2cf474cff/package/gluon-core/luasrc/usr/lib/lua/gluon/util.lua#L175

It is not really clear which index numbers are used for the public AP interface
MAC. For one domain it works with 0, for another it works with 3 (this is 2.4Ghz).

So let's use those.

www/js/nodeListTransform.js

@@ -49,8 +49,8 @@
         var extendedMacList = [];
 
         macList.forEach(function (node) {
+            extendedMacList.push(nodeWithDerivedClientMac(node, 0));
             extendedMacList.push(nodeWithDerivedClientMac(node, 3));
-            extendedMacList.push(nodeWithDerivedClientMac(node, 4));
         });
 
         return extendedMacList.map(function (node) {