Add new CI status icons

What does this MR do?

Adds new CI status icons for every state

What are the relevant issue numbers?

Closes #19847 (closed)

Screenshots (if relevant)

spec/helpers/ci_status_helper_spec.rb

@@ -7,7 +7,13 @@ describe CiStatusHelper do
   let(:failed_commit) { double("Ci::Pipeline", status: 'failed') }
   describe 'ci_icon_for_status' do
-    it { expect(helper.ci_icon_for_status(success_commit.status)).to include('fa-check') }
-    it { expect(helper.ci_icon_for_status(failed_commit.status)).to include('fa-close') }
+    it 'renders to correct svg on success' do
+      expect(helper).to receive(:render).with('shared/icons/icon_status_success.svg', anything)
+      helper.ci_icon_for_status(success_commit.status)
+    end
+    it 'renders the correct svg on failure' do
+      expect(helper).to receive(:render).with('shared/icons/icon_status_failed.svg', anything)
+      helper.ci_icon_for_status(failed_commit.status)
+    end
   end
 end