Finish backports and fix specs

app/assets/javascripts/api.js

@@ -6,7 +6,8 @@ const Api = {
   namespacesPath: '/api/:version/namespaces.json',
   groupProjectsPath: '/api/:version/groups/:id/projects.json',
   projectsPath: '/api/:version/projects.json',
-  labelsPath: '/:namespace_path/:project_path/labels',
+  projectLabelsPath: '/:namespace_path/:project_path/labels',
+  groupLabelsPath: '/groups/:namespace_path/labels',
   licensePath: '/api/:version/templates/licenses/:key',
   gitignorePath: '/api/:version/templates/gitignores/:key',
   gitlabCiYmlPath: '/api/:version/templates/gitlab_ci_ymls/:key',
@@ -74,7 +75,16 @@ const Api = {
   },
 
   newLabel(namespacePath, projectPath, data, callback) {
-    const url = Api.buildUrl(Api.labelsPath);
+    let url;
+
+    if (projectPath) {
+      url = Api.buildUrl(Api.projectLabelsPath)
+        .replace(':namespace_path', namespacePath)
+        .replace(':project_path', projectPath);
+    } else {
+      url = Api.buildUrl(Api.groupLabelsPath).replace(':namespace_path', namespacePath);
+    }
+
     return $.ajax({
       url,
       type: 'POST',

app/assets/javascripts/boards/components/issue_card_inner.js

@@ -64,7 +64,7 @@ gl.issueBoards.IssueCardInner = Vue.extend({
       return this.issue.assignees.length > this.numberOverLimit;
     },
     cardUrl() {
-      return `${this.issueLinkBase}/${this.issue.id}`;
+      return `${this.issueLinkBase}/${this.issue.iid}`;
     },
     issueId() {
       if (this.issue.iid) {

app/controllers/boards/issues_controller.rb

@@ -61,7 +61,7 @@ module Boards
     end
 
     def project
-      @project ||= Project.find(issue_params[:project_id])
+      board_parent
     end
 
     def move_params