message: feat(frontend): onboarding: main buttons reduced in size once action is taken
diff: <p>Note: Currently, we only support Windows.</p>
  <v-btn
  block
  - x-large
  + :x-large="!hasClickedDownload"
  elevation="10"
  class="mb-4"
  :color="hasClickedDownload ? '' : 'primary'"
  </p>
  <v-btn
  block
  - x-large
  + :x-large="hasClickedAddAccount === 0"
  class="mb-4"
  elevation="10"
  :color="hasClickedAddAccount !== 0 ? '' : 'primary'"
  