fix(web): i18n race condition in load function (#10693)

web/src/lib/utils/i18n.ts

@@ -0,0 +1,13 @@
+import { locale, t, waitLocale } from 'svelte-i18n';
+import { get, type Unsubscriber } from 'svelte/store';
+
+export async function getFormatter() {
+  let unsubscribe: Unsubscriber | undefined;
+  await new Promise((resolve) => {
+    unsubscribe = locale.subscribe((value) => value && resolve(value));
+  });
+  unsubscribe?.();
+
+  await waitLocale();
+  return get(t);
+}