Batch creation

[GrandSchtroumpf]

fix #1560

Before testing:

• Go to /debug
• Use this fork: https://virtual.mainnet.rpc.tenderly.co/51e286e9-ab79-4398-920d-c9189f45b5b4

Test case

• Click on the cart icon (top right corner)
• Display empty state
• Click on "create strategy" CTA
• Fill one strategy (disposable, recurring or overlapping)
• Click "Add to cart"
• Click on the cart icon
• See a card in the list
• Add a bunch of new strategies
• Go back to the cart page
• Delete some of them
• Click "Sign all strategies"

[cloudflare-workers-and-pages]

Deploying carbon-app with    Cloudflare Pages

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Deploying carbon-app-blast with    Cloudflare Pages

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