Update Nutanix case study page

Created by: elzannewentzel

Stakeholders: Fabiana and Tracey What? Adjustments to Nutanix case study page with new DLS (+ a small design improvement to the Results section) Why? Standardize for future case study pages 🔗Figma file

Asana: https://app.asana.com/0/1200095757619647/1202459307330599/f