Resolve "Expose `active` field in the Error Tracking API"

changelogs/unreleased/197146-expose-active-field-in-the-error-tracking-api.yml

+---
+title: Expose `active` field in the Error Tracking API
+merge_request: 23150
+author:
+type: added

doc/api/error_tracking.md

@@ -24,6 +24,7 @@ Example response:
 
 ```json
 {
+  "active": true,
   "project_name": "sample sentry project",
   "sentry_external_url": "https://sentry.io/myawesomeproject/project",
   "api_url": "https://sentry.io/api/0/projects/myawesomeproject/project"

lib/api/entities/error_tracking.rb

@@ -4,6 +4,7 @@ module API
   module Entities
     module ErrorTracking
       class ProjectSetting < Grape::Entity
+        expose :enabled, as: :active
         expose :project_name
         expose :sentry_external_url
         expose :api_url

spec/requests/api/error_tracking_spec.rb

@@ -22,6 +22,7 @@ describe API::ErrorTracking do
 
         expect(response).to have_gitlab_http_status(:ok)
         expect(json_response).to eq(
+          'active' => setting.enabled,
           'project_name' => setting.project_name,
           'sentry_external_url' => setting.sentry_external_url,
           'api_url' => setting.api_url