on select2-config init, falls back on array type check of valueList i…

…f self.multi was init false before param.val was inherited re #10529

arches/app/media/js/viewmodels/concept-select.js

@@ -130,7 +130,7 @@ define([
                 var setSelectionData = function(data) {
                     var valueData = [];
 
-                    if (self.multiple) {
+                    if (self.multiple || Array.isArray(valueList)) {
                         if (!(data instanceof Array)) { data = [data]; }
 
                         valueData = data.map(function(valueId) {