all instances of getCart and getLead should use server and client

[gkpty]

review all the app and make note of instances where only getServerCart or getServerLead is used.

• addToCartButton -> add
• products/sku -> remove
• cart/id -> add clientside
• components/item -> remove
• cart/page -> add clientside

instances where server and client are used correctly.

[gkpty]

components that require cart

• cart summary
• addTocart
• nav cartIcon

components that require lead

• all analytics events
• posthog init (for pageviews)