DEV: Convert admin API keys to conform to UI guidelines (#30660)

Re-opening of #30096. It was reverted because it was missing a sidebar link to Webhooks in the admin panel.

spec/system/admin_api_keys_spec.rb

@@ -0,0 +1,65 @@
+#frozen_string_literal: true
+
+describe "Admin API Keys Page", type: :system do
+  fab!(:current_user) { Fabricate(:admin) }
+
+  let(:api_keys_page) { PageObjects::Pages::AdminApiKeys.new }
+  let(:dialog) { PageObjects::Components::Dialog.new }
+
+  before do
+    Fabricate(:api_key, description: "Integration")
+
+    sign_in(current_user)
+  end
+
+  it "shows a list of API keys" do
+    api_keys_page.visit_page
+
+    expect(api_keys_page).to have_api_key_listed("Integration")
+  end
+
+  it "can add a new API key" do
+    api_keys_page.visit_page
+    api_keys_page.add_api_key(description: "Second Integration")
+
+    expect(api_keys_page).to have_api_key_listed("Second Integration")
+  end
+
+  it "can edit existing API keys" do
+    api_keys_page.visit_page
+    api_keys_page.click_edit("Integration")
+    api_keys_page.edit_description("Old Integration")
+    api_keys_page.click_back
+
+    expect(api_keys_page).to have_api_key_listed("Old Integration")
+  end
+
+  it "can revoke API keys" do
+    api_keys_page.visit_page
+    api_keys_page.click_edit("Integration")
+    api_keys_page.click_revoke
+    api_keys_page.click_back
+
+    expect(api_keys_page).to have_revoked_api_key_listed("Integration")
+  end
+
+  it "can undo revokation of API keys" do
+    api_keys_page.visit_page
+    api_keys_page.click_edit("Integration")
+    api_keys_page.click_revoke
+    api_keys_page.click_unrevoke
+    api_keys_page.click_back
+
+    expect(api_keys_page).to have_unrevoked_api_key_listed("Integration")
+  end
+
+  it "can permanently delete revoked API keys" do
+    api_keys_page.visit_page
+    api_keys_page.click_edit("Integration")
+    api_keys_page.click_revoke
+    api_keys_page.click_delete
+
+    expect(api_keys_page).to have_current_path("/admin/api/keys")
+    expect(api_keys_page).to have_no_api_key_listed("Integration")
+  end
+end