Fix translation discard button

[benekex2]

Resolves: #4013

Screenshots

Pull Request Checklist

1. Privileged views and APIs are guarded by proper permission checks.
2. All visible strings are translated with proper context.
3. All data-formatting is locale-aware (dates, numbers, and so on).
4. Database queries are optimized and the number of queries is constant.
5. Database migration files are up to date.
6. The changes are tested.
7. The code is documented (docstrings, project documentation).
8. GraphQL schema and type definitions are up to date.
9. Changes are mentioned in the changelog.

[codecov]

Codecov Report

Merging #4109 into master will increase coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4109      +/-   ##
==========================================
+ Coverage   91.52%   91.58%   +0.05%     
==========================================
  Files         277      277              
  Lines       15083    15132      +49     
  Branches     1479     1482       +3     
==========================================
+ Hits        13805    13858      +53     
+ Misses        874      872       -2     
+ Partials      404      402       -2

Impacted Files	Coverage Δ
saleor/payment/gateways/braintree/__init__.py	100% <0%> (ø)	⬆️
saleor/graphql/order/types.py	84.31% <0%> (ø)	⬆️
saleor/payment/interface.py	100% <0%> (ø)	⬆️
saleor/payment/gateways/razorpay/__init__.py	98.5% <0%> (+0.14%)	⬆️
saleor/payment/gateways/stripe/__init__.py	98.95% <0%> (+0.16%)	⬆️
saleor/payment/utils.py	92.13% <0%> (+0.63%)	⬆️
saleor/payment/models.py	96.84% <0%> (+1.99%)	⬆️
saleor/payment/gateways/dummy/__init__.py	100% <0%> (+4.16%)	⬆️

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