fix: STRF-11899 Update cart when multiple coupons are removed

[huntario]

What?

When removing multiple coupons, bust the cache because the cart has updated. If we don't the request signature just above this point -

stencil-cli/server/plugins/renderer/renderer.module.js

Line 194 in 8790190

({ response2 } = cachedResponse2);

- in the code will be the same as the last and we erroneously return 'cachedResponse2' which is stale.

The request to update the cart is different because it contains the coupon ID, but since it uses a redirect back to the cart, that request is undifferentiated from the previous request to the cart.php

Tickets / Documentation

Add links to any relevant tickets and documentation.

• STRF-11899

Screenshots (if appropriate)

Before: First coupon removal works as expected, but subsequent removals don't appear to take effect until refresh.

Screen-2024-04-15-100043.mp4

After: additional coupons removed as expected

Screen-2024-04-15-100253.mp4

cc @bigcommerce/storefront-team

[jairo-bc]

I'm ok with the change, we just need to double check on historical reason of having this and keep eyes on amount of traffic we potentially can have because of this change

[huntario]

...we just need to double check on historical reason of having this

Looks like it was added here - #124 - with the intention of speeding up development. Noticed this comment - #124 (comment) - which lead to clearing the cache if a post request is used. I've linked the ticket for that change to the current ticket.

...and keep eyes on amount of traffic we potentially can have because of this change

I've placed a link in the internal ticket that should allow us to track any change in usage.

[github-actions]

🎉 This PR is included in version 7.5.5 🎉

The release is available on:

• GitHub release
• npm package (@latest dist-tag)
• 7.5.5

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