Merge branch 'init-sourcegraph' into 'master'

Blob refactor: Load Sourcegraph

See merge request gitlab-org/gitlab!77853

app/assets/javascripts/vue_shared/components/source_viewer.vue

@@ -2,6 +2,7 @@
 import { GlSafeHtmlDirective } from '@gitlab/ui';
 import LineNumbers from '~/vue_shared/components/line_numbers.vue';
 import { sanitize } from '~/lib/dompurify';
+import '~/sourcegraph/load';
 
 const LINE_SELECT_CLASS_NAME = 'hll';