Ports in 8c991ad22—Only position dropdown once when adding multiple i…

…tems

src/selectize.js

@@ -1496,7 +1496,7 @@ $.extend(Selectize.prototype, {
 				// hide the menu if the maximum number of items have been selected or no options are left
 				if (!$options.length || self.isFull()) {
 					self.close();
-				} else {
+				} else if (!self.isPending) {
 					self.positionDropdown();
 				}