fix: correct path for the iconPackages in codeInjector

Author: yaroslav8765

adminforth/modules/codeInjector.ts

@@ -97,7 +97,7 @@ class CodeInjector implements ICodeInjector {
     const iconPackageNames = Array.from(collections).map((collection) => `@iconify-prerendered/vue-${collection}`);
 
     const iconPackages = (
-      await Promise.allSettled(iconPackageNames.map(async (pkg) => ({ pkg: await import(this.spaTmpPath() +'/node_modules/' + pkg), name: pkg})))
+      await Promise.allSettled(iconPackageNames.map(async (pkg) => ({ pkg: await import(path.join(this.spaTmpPath(), 'node_modules', pkg)), name: pkg})))
     );
 
     const loadedIconPackages = iconPackages.filter(isFulfilled).map((res) => res.value).reduce((acc, { pkg, name }) => {