DataTable - transparent <th> when sorting and using Tailwind preset theme

[parryma-admin-cloud]

When using a scrollable datatable with the preset Tailwind theme, applying sorting removes the th background on the sorted column and the table body shows through.

https://stackblitz.com/edit/bw148m-h3xrnc?file=src%2Fmain.js,src%2FApp.vue

https://github.com/primefaces/primevue-tailwind/blob/main/presets/wind/datatable/index.js
Line 124 & 125