webui: fix Tailwind v4 utility classes missing when built via cmake (#23253)

diff --git a/tools/ui/src/app.css b/tools/ui/src/app.css
index 6e29b70a35a54b7a6c70dfe2f647076bf5baba83..10480f977be864a422d3a0be01d441316fcfd133 100644 (file)
--- a/tools/ui/src/app.css
+++ b/tools/ui/src/app.css
@@ -1,4 +1,5 @@
 @import 'tailwindcss';
+@source ".";
 
 @import 'tw-animate-css';