[frontend] fix

[UGisBusy]

Ex. Resolves #173

Changes

• fix the issue (the problem mention in the issue)

Testing Approach (if unconventional)

docker compose up --build

• seller page mayhem
  • when the problem is associate with shop being desable, it will alert message about that and return to last page
  • when the problem is not associate with shop being desable, it will alert msg but leave you there
  • when u "did the main function" in that page, itll return to last page
    • edit successfully on edit product/coupon
    • delete successfully on edit product/coupon
    • add successfully on add product/coupon
• credit card
  • when u r click pay on checkout, if u have no credit card, itll alert "pls add new card"
  • when u r click pay on checkout, if u have any credit card, itll alert "pls select a card"
  • successfuly pay if pass those check

[NOOBDY]

LGTM