UI-1423: Use chosen plug-in to make dropdown searchable

submodules/strategy/strategy.css

@@ -433,6 +433,7 @@
 }
 
 #strategy_container .element-container.strategy-calls .callflow-tabs {
+	overflow: visible;
 	padding: 20px;
 	border: none;
 	background: transparent;
@@ -472,6 +473,10 @@
 	margin-top: 10px;
 }
 
+#strategy_container .element-container.strategy-calls .callflow-tabs .call-option .chosen-container {
+	text-align: left;
+}
+
 #strategy_container .element-container.strategy-calls .callflow-tabs .call-option .menu-div .link-icon i {
 	margin-right: 5px;
 }

submodules/strategy/strategy.js

@@ -411,9 +411,12 @@ define(function(require){
 
 						$.each(template.find('.user-select select'), function() {
 							var $this = $(this);
+							$this.chosen({ search_contains: true, width: '160px' });
 							$this.siblings('.title').text($this.find('option:selected').closest('optgroup').prop('label'));
 						});
 
+						template.find('.voicemail-select select').chosen({ search_contains: true, width: '160px' });
+
 						callback && callback();
 						break;
 					default: