fix: select the PR diff tab after content loads

public/asset-manifest.json

@@ -1,6 +1,6 @@
 {
   "core.min.js": "core.6332b3c288.min.js",
-  "vendor.min.js": "vendor.5e3fc5ef98.min.js",
+  "vendor.min.js": "vendor.914204e0bc.min.js",
   "mermaid.min.js": "mermaid.f848a72d16.min.js",
   "all.min.css": "all.99ce8f3e14.min.css"
 }

public/partials/pullRequest.htm

@@ -1,4 +1,4 @@
-<div class="pr-page" ng-init="tabState = { active: (details && details.diff) ? 'diff' : 'comments' }">
+<div class="pr-page">
   <div class="container paper-page pr-page-inner">
     <div class="paper-crumbs">
       <a href="/dashboard">Reviewer</a> &nbsp;/&nbsp;

public/script/app.js

@@ -3264,6 +3264,7 @@ angular
         $http.get(`/api/pr/${$scope.pullRequestId}/content`).then(
           (res) => {
             $scope.details = res.data;
+            $scope.tabState = { active: res.data.diff ? "diff" : "comments" };
             if (callback) {
               callback(res.data);
             }