fix: set message-success in setup if we already have the latest version

Author: DanielRuf

setup/pub/magento/setup/select-version.js

@@ -13,6 +13,7 @@ angular.module('select-version', ['ngStorage'])
         $scope.upgradeReadyForNext = false;
         $scope.upgradeProcessed = false;
         $scope.upgradeProcessError = false;
+        $scope.upgradeAlreadyLatestVersion = false;
         $scope.upgradeProcessErrorMessage = '';
         $scope.componentsReadyForNext = true;
         $scope.componentsProcessed = false;
@@ -39,6 +40,7 @@ angular.module('select-version', ['ngStorage'])
 
                     if ($scope.upgradeProcessError) {
                         $scope.upgradeProcessErrorMessage = "You're already using the latest version, there's nothing for us to do.";
+                        $scope.upgradeAlreadyLatestVersion = true;
                     } else {
                         $scope.selectedOption = [];
                         $scope.versions = [];

setup/view/magento/setup/select-version.phtml

@@ -38,7 +38,7 @@
         </span>
         <span class="message-text">Checking for a new version...</span>
     </div>
-    <div class="message message-error" ng-show="upgradeProcessError">
+    <div class="message" ng-class="upgradeAlreadyLatestVersion ? 'message-success' : 'message-error'" ng-show="upgradeProcessError">
             <span class="message-text" ng-bind-html="upgradeProcessErrorMessage"></span>
     </div>
     <div class="message" ng-show="upgradeProcessed && !upgradeProcessError && currentVersion">