Support client code in tests

Author: TrySound

vitest.config.ts

@@ -1,7 +1,14 @@
-import { defaultServerConditions, defineConfig } from "vite";
+import {
+  defaultClientConditions,
+  defaultServerConditions,
+  defineConfig,
+} from "vite";
 
 export default defineConfig({
   // resolve webstudio condition in tests
+  resolve: {
+    conditions: ["webstudio", ...defaultClientConditions],
+  },
   ssr: {
     resolve: {
       conditions: ["webstudio", ...defaultServerConditions],