clear cart when logging out

[cesarocampov]

What problem is this solving?

The cart is persisted when logging out.

should we include it on the setting of loggin and changing companies??

How should this be manually tested?
login, add products to cart, logout.

[vtex-io-ci-cd]

Hi! I'm VTEX IO CI/CD Bot and I'll be helping you to publish your app! 🤖

Please select which version do you want to release:

• Patch (backwards-compatible bug fixes)

• Minor (backwards-compatible functionality)

• Major (incompatible API changes)

And then you just need to merge your PR when you are ready! There is no need to create a release commit/tag.

• No thanks, I would rather do it manually 😞

[vtex-io-docs-bot]

Beep boop 🤖

I noticed you didn't make any changes at the docs/ folder

• There's nothing new to document 🤔
• I'll do it later 😞

In order to keep track, I'll create an issue if you decide now is not a good time

• I just updated 🎉🎉

[github-actions]

Fails

🚫

We follow keepachangelog standards. Please, change the file CHANGELOG.md adding a small summary of your changes under the [Unreleased] section. Example: ## [Unreleased] + ### Fixed + - Issue with image sizing in the SKU Selector. Possible types of changes: Added for new features. Changed for changes in existing functionality. Deprecated for soon-to-be removed features. Removed for now removed features. Fixed for any bug fixes. Security in case of vulnerabilities.

	Messages
📖	❤️ Thanks!
📖	🎉 PR additions = 1, PR deletions = 0

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