fix double tap on send qr icon

src/js/controllers/tab-send.js

@@ -59,6 +59,10 @@ angular.module('copayApp.controllers').controller('tabSendController', function(
     });
   };
 
+  $scope.openScanner = function() {
+    $state.go('tabs.scan');
+  }
+
   $scope.showMore = function() {
     currentContactsPage++;
     updateList();

www/views/tab-send.html

@@ -22,7 +22,7 @@
     <label class="item item-input bitcoin-address">
       <i class="icon icon-svg placeholder-icon"><img src="img/icon-bitcoin-symbol.svg"></i>
       <div class="qr-scan-icon" ng-style="{'width': '100%'}">
-        <a ui-sref="tabs.scan" ng-style="{'top': '6px'}">
+        <a on-tap="openScanner()" ng-style="{'top': '6px'}">
           <i class="icon ion-qr-scanner"></i>
         </a>
         <input type="text" placeholder="{{'Search or enter bitcoin address' | translate}}" ng-model="formData.search" ng-change="findContact(formData.search)" ng-model-onblur>