feat: add trim option

Closes #2064

Author: Clement Teule

dist/select.css

@@ -1,7 +1,7 @@
 /*!
  * ui-select
  * http://github.com/angular-ui/ui-select
- * Version: 0.19.8 - 2018-08-29T05:34:50.133Z
+ * Version: 0.19.8 - 2018-08-29T07:07:49.833Z
  * License: MIT
  */
 

dist/select.js

@@ -9,7 +9,8 @@
          ng-class="{ 'ui-select-search-hidden' : !$select.searchEnabled }"
          placeholder="{{$select.placeholder}}"
          ng-model="$select.search"
-         ng-show="$select.open">
+         ng-show="$select.open"
+         ng-trim="{{ $select.trim }}">
   <div ng-show="$select.open && $select.items.length > 0" class="ui-select-dropdown dropdown-menu">
     <div class="ui-select-header"></div>
     <div class="ui-select-choices"></div>

dist/select.min.css

@@ -113,7 +113,8 @@ var uis = angular.module('ui.select', [])
   appendToBody: false,
   spinnerEnabled: false,
   spinnerClass: 'glyphicon glyphicon-refresh ui-select-spin',
-  backspaceReset: true
+  backspaceReset: true,
+  trim: true
 })
 
 // See Rename minErr and make it accessible from outside https://github.com/angular/angular.js/issues/6913

dist/select.min.js

@@ -9,6 +9,7 @@
     <div class="search-container" ng-class="{'ui-select-search-hidden':!$select.searchEnabled, 'select2-search':$select.searchEnabled}">
       <input type="search" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"
        ng-class="{'select2-active': $select.refreshing}"
+       ng-trim="{{ $select.trim }}"
        role="combobox"
        aria-expanded="true"
        aria-owns="ui-select-choices-{{ $select.generatedId }}"

dist/select.min.js.map

@@ -11,6 +11,7 @@
            ng-model="$select.search"
            ng-hide="!$select.isEmpty() && !$select.open"
            ng-disabled="$select.disabled"
+           ng-trim="{{ $select.trim }}"
            aria-label="{{ $select.baseTitle }}">
   </div>
   <div ng-show="$select.open" class="ui-select-dropdown selectize-dropdown"

src/bootstrap/select.tpl.html

@@ -160,6 +160,10 @@ uis.directive('uiSelect',
           $select.spinnerClass = spinnerClass !== undefined ? attrs.spinnerClass : uiSelectConfig.spinnerClass;
         });
 
+        scope.$watch(function () { return scope.$eval(attrs.trim); }, function(newVal) {
+          $select.trim = newVal !== undefined ? newVal : uiSelectConfig.trim;
+        });
+
         //Automatically gets focus when loaded
         if (angular.isDefined(attrs.autofocus)){
           $timeout(function(){