fix(prefs): do not clear OAuth and JVM connect info on preferences reset

src/app/preferences/reset-preferences/reset-preferences.controller.ts

@@ -1,22 +1,31 @@
 namespace Core {
 
   const SHOW_ALERT = 'showPreferencesResetAlert';
-  
+
   export function ResetPreferencesController($scope, $window: ng.IWindowService) {
-    'ngInject';      
-    
+    'ngInject';
+
     $scope.showAlert = !!$window.sessionStorage.getItem(SHOW_ALERT);
     $window.sessionStorage.removeItem(SHOW_ALERT);
-
-    $scope.doReset = function() {
-      log.info("Resetting preferences");
+
+    $scope.doReset = function () {
+      log.info('Resetting preferences');
+      // Backup the storage K/V pairs that are not actual preferences.
+      // Ideally, the preferences would be better organised under structured keys
+      // that would be provided to the preferences registry, so that a local storage
+      // complete clear operation and restore of hard-coded K/V pairs could be avoided.
+      const jvmConnect = $window.localStorage.getItem('jvmConnect');
+      const osAuthCreds = $window.localStorage.getItem('osAuthCreds');
+
       $window.localStorage.clear();
+
+      $window.localStorage.setItem('jvmConnect', jvmConnect);
+      $window.localStorage.setItem('osAuthCreds', osAuthCreds);
+
       $window.sessionStorage.setItem(SHOW_ALERT, 'true');
       $window.setTimeout(() => {
         $window.location.reload();
       }, 10);
     }
-
   }
-
 }