Add heteronymous reddit testimonial (#27910)

# Checklist for submitter

Adds new Reddit sourced testimonial:
![Screenshot 2025-04-04 at 4 38
25 PM](https://github.com/user-attachments/assets/6c2a62ef-166e-49fe-a7b0-cbc7227cc136)

handbook/company/testimonials.yml

@@ -252,3 +252,10 @@
   quoteAuthorProfileImageFilename: testimonial-author-bart-reardon-48x48@2x.png
   quoteAuthorJobTitle: Creator of swiftDialog
   productCategories: [Device management, Observability]
+-
+  quote: If I needed a single pane of glass for all OS endpoints, starting fresh, I'd push for the paid version of FleetDM.
+  quoteLinkUrl: https://www.reddit.com/r/Intune/comments/1jkzxyl/comment/mk02c2k/
+  quoteAuthorName: u/Heteronymous
+  quoteAuthorJobTitle: Redditor
+  quoteAuthorProfileImageFilename: testimonial-author-redditor-48x48@2x.png  
+  productCategories: [Device management]

website/api/controllers/view-testimonials.js

@@ -36,6 +36,7 @@ module.exports = {
       'Matt Carr',
       'Nico Waisman',
       'Dan Grzelak',
+      'u/Heteronymous',
     ];
     let testimonialsForMdm = _.filter(testimonials, (testimonial)=>{
       return _.contains(testimonial.productCategories, 'Device management') && _.contains(testimonialOrderForMdm, testimonial.quoteAuthorName);