message: use user-guid route for profiles
diff: <span local-class='description-bold'>
  <OsfLink
  data-analytics-name='View research'
  - @route='resolve-guid'
  + @route='guid-user'
  @models={{array 'wx9bf'}}
  >
  {{t 'new-home.testimonials.see_her_research'}}
  <span local-class='description-bold'>
  <OsfLink
  data-analytics-name='View research'
  - @route='resolve-guid'
  + @route='guid-user'
  @models={{array 'e9tg8'}}
  >
  {{t 'new-home.testimonials.see_her_research'}}
  <span local-class='description-bold'>
  <OsfLink
  data-analytics-name='View research'
  - @route='resolve-guid'
  + @route='guid-user'
  @models={{array '2u4tf'}}
  >
  {{t 'new-home.testimonials.see_his_research'}}
  