Revert "chore: workaround for hmr speed (#42357)" (#42374)

This reverts commit f92aa32cfe.

.dumirc.ts

@@ -99,9 +99,4 @@ export default defineConfig({
     })();
     `,
   ],
-  chainWebpack(memo) {
-    // FIXME: disable case-sensitive-paths plugin since it costs more than 1min in HMR, wait for plugin repair then remove
-    memo.plugins.delete('case-sensitive-paths');
-    return memo;
-  },
 });