fix(frontend): account phone stored with a plus is not shown with two

frontend/src/lib/format/peer.ts

@@ -47,3 +47,7 @@ export function initials(name: string): string {
   const last = lastWord ? lastWord[0] : "";
   return (first + last).toUpperCase();
 }
+
+export function formatPhone(phone: string): string {
+  return phone.startsWith("+") ? phone : `+${phone}`;
+}