import correct heroicon modul path

[herpaderpaldent]

This fixes a bug where the prod build failed:

[vite]: Rollup failed to resolve import "@heroicons/vue/20/solid/esm" from "/Users/user/PhpstormProjects/base-app/src/resources/js/Shared/Components/Mails/MobileMailList.vue".
This is most likely unintended because it can break your application at runtime.
If you do want to externalize this module explicitly add it to
`build.rollupOptions.external`
error during build:
Error: [vite]: Rollup failed to resolve import "@heroicons/vue/20/solid/esm" from "/Users/user/PhpstormProjects/base-app/src/resources/js/Shared/Components/Mails/MobileMailList.vue".
This is most likely unintended because it can break your application at runtime.
If you do want to externalize this module explicitly add it to

[what-the-diff]

PR Summary

• Enhancement of MobileMailList Component
  A new visual element has been added to the MobileMailList.vue component to enrich the user interface, by importing ChevronUpIcon from the solid icons library of Heroicons.
  This change aims to improve user interaction and accessibility on our mobile mail list feature.