Fix continuous onboarding A SVG paths

...pages/projects/learn_gitlab/components/learn_gitlab_a.vue

...cts/learn_gitlab/components/learn_gitlab_section_card.vue

...ts/javascripts/pages/projects/learn_gitlab/index/index.js

app/helpers/learn_gitlab_helper.rb

app/views/projects/learn_gitlab/index.html.haml

...tlab/components/__snapshots__/learn_gitlab_a_spec.js.snap

...ents/__snapshots__/learn_gitlab_section_card_spec.js.snap

...s/projects/learn_gitlab/components/learn_gitlab_a_spec.js

...learn_gitlab/components/learn_gitlab_section_card_spec.js

...ntend/pages/projects/learn_gitlab/components/mock_data.js

spec/helpers/learn_gitlab_helper_spec.rb