Overwrite existing DNS records in repair

src/views/app.html

@@ -111,9 +111,10 @@
         <h4 class="modal-title">Repair {{ app.fqdn }}</h4>
       </div>
       <div class="modal-body">
-        <p>The <b>{{ app.error.task | taskName }}</b> operation failed. Click repair to retry.</p>
+        <p>The <b>{{ app.error.task | taskName }}</b> operation failed with the following error:</p>
         <p class="text-danger">{{ app.error.reason + ': ' + app.error.message }}</p>
         <div class="form-group" ng-show="repair.location && repair.domain">
+          <p>Cloudron will repair the app to use the following domains:</p>
           <label class="control-label">Location</label>
           <div class="input-group form-inline">
             <input type="text" class="form-control" ng-model="repair.location" name="location" placeholder="{{ 'Leave empty to use bare domain' }}" autofocus>

src/views/app.js

@@ -866,7 +866,9 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
             if ($scope.app.error.domain) {
                 data.location = $scope.repair.location;
                 data.domain = $scope.repair.domain.domain;
-                data.alternateDomains = $scope.repair.alternateDomains.filter(function (a) { return a.enabled; }).map(function (d) { return { subdomain: d.subdomain, domain: d.domain.domain })
+                data.alternateDomains = $scope.repair.alternateDomains.filter(function (a) { return a.enabled; })
+                    .map(function (d) { return { subdomain: d.subdomain, domain: d.domain.domain }; });
+                data.overwriteDns = true; // always overwriteDns. user can anyway check and uncheck above
             }
 
             if ($scope.app.error.backupId) {