core: fix static files priority

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "4.0.11",
+    "version": "4.0.12",
     "bin": "bin/hydrooj.js",
     "main": "src/plugin-api",
     "module": "src/plugin-api",

packages/hydrooj/src/service/server.ts

@@ -428,7 +428,7 @@ export async function apply(pluginContext) {
         }
         return next();
     });
-    for (const addon of global.addons) {
+    for (const addon of [...global.addons].reverse()) {
         const dir = resolve(addon, 'public');
         if (!fs.existsSync(dir)) continue;
         app.use(cache(dir, {