fix: crashed after local pairing (#14931)

src/status_im/utils/keychain/core.cljs

@@ -173,8 +173,11 @@
  :keychain/save-auth-method
  (fn [[key-uid method]]
    (log/debug "[keychain] :keychain/save-auth-method"
+              "key-uid"
+              key-uid
               "method"
               method)
+   (when-not (empty? key-uid) ; key-uid may be nil after restore from local pairing
      (save-credentials
       (str key-uid "-auth")
       key-uid
@@ -184,7 +187,7 @@
           (str "Error while saving auth method."
                " "
                "The app will continue to work normally, "
-             "but you will have to login again next time you launch it."))))))
+               "but you will have to login again next time you launch it.")))))))
 
 (re-frame/reg-fx
  :keychain/save-keycard-keys