Rspack (#22807)

* Add rspack

* Remove TransformAsyncModulesPlugin from rspack

* Migrate all webpack usage to rspack

* Migrate tests to vitest

* Fix test suites

* Remove chai dependency

* Fix compute_state_display tests

* Fix resolveTimeZone

* Reduces test pipeline

* Revert test ci

* optimize chunk filtering

* Migrate landing-page to rspack

* Update rspack dependencies

* Add rsdoctor

* Fix prod build bundle size

* Use rsdoctor for demo stats

* Remove unused webpack configs

* Update build-scripts/rspack.cjs

Co-authored-by: Petar Petrov <MindFreeze@users.noreply.github.com>

* Fix eslint

* Update rspack

* Remove unused code

---------

Co-authored-by: Petar Petrov <MindFreeze@users.noreply.github.com>

build-scripts/gulp/demo.js

@@ -5,7 +5,7 @@ import "./gather-static.js";
 import "./gen-icons-json.js";
 import "./service-worker.js";
 import "./translations.js";
-import "./webpack.js";
+import "./rspack.js";
 
 gulp.task(
   "develop-demo",
@@ -22,7 +22,7 @@ gulp.task(
       "build-locale-data"
     ),
     "copy-static-demo",
-    "webpack-dev-server-demo"
+    "rspack-dev-server-demo"
   )
 );
 
@@ -37,7 +37,18 @@ gulp.task(
     "translations-enable-merge-backend",
     gulp.parallel("gen-icons-json", "build-translations", "build-locale-data"),
     "copy-static-demo",
-    "webpack-prod-demo",
+    "rspack-prod-demo",
     "gen-pages-demo-prod"
   )
 );
+
+gulp.task(
+  "analyze-demo",
+  gulp.series(
+    async function setEnv() {
+      process.env.STATS = "1";
+    },
+    "clean",
+    "rspack-prod-demo"
+  )
+);