fix(RSS-ECOMM-5_89): delete save state for cart and shopList

[YulikK]

PR Title ✨

📍 conforms with the following format:

• [x] prefix (following the convention: feat, fix, hotfix, chore, refactor, revert, docs, style, test)
• [x] sprint and issue number (e.g. RSS-ECOMM-5_01, where 5 - is the sprint number and 01 - is the issue number)
• [x] short description

👀 Example: feat(RSS-ECOMM-5_01): description

PR Description 🧙‍♂️

Affected Scope 💡

• delete save state for cart
• delete save state for shopList
• fix z-index for cart head

Auto-Review 🤖

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• [x] The labels have been added 🎨
• [x] My code doesn't generate any errors or warnings ⛓️
• [x] My code builds successfully ⚙️

Self-Check 🌟

• [x] I wrote the correct title for the PR 🗝️
• [x] I wrote a comprehensive description for the PR 📜
• [x] I have performed a self-review of my own code ✅
• [x] I have commented my code where needed 📝
• [x] I am happy with my PR and ready to merge ❤️‍🔥

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