server: clean up static assets handling (#24550)

* server: clean up static assets handling

* nits

* simplify file name handling, use static file name everywhere

* cmake/ui : bundle UI assets in an archive

* ui : run prettier on post-build.js

---------

Co-authored-by: Alde Rojas <hello@alde.dev>

tools/ui/package.json

@@ -4,7 +4,7 @@
 	"version": "1.0.0",
 	"type": "module",
 	"scripts": {
-		"build": "npm run build-pwa-assets && vite build",
+		"build": "npm run build-pwa-assets && vite build && node scripts/post-build.js",
 		"build-pwa-assets": "npx @vite-pwa/assets-generator --root . --config pwa-assets.config.ts && npx @vite-pwa/assets-generator --root . --config pwa-assets-dark.config.ts && node scripts/make-icons-circular.js",
 		"dev": "bash scripts/dev.sh",
 		"preview": "vite preview",