fix(cospend): avoid localStorage at module init on list page

The store-picker read localStorage at component init, which crashed
SSR on full-page loads of /cospend/list with 'localStorage.getItem is
not a function'. Deferred the read to onMount and wrapped writes in
try/catch.

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "homepage",
-	"version": "1.43.0",
+	"version": "1.43.1",
 	"private": true,
 	"type": "module",
 	"scripts": {