3.0.0-b.4

• Fix failing account mutations for app - #7569 by @IKarbowiak
• Fix handling of App requesters in saleor.order.events - #7571 by @onecrayon
• Fix failing queries with nested filters that require channel slug - #7602 by @IKarbowiak
• Fix choices resolver on Attribute type - #7597 by @IKarbowiak
• Fix checkoutLinesAdd to properly increment existing lines - #7604 by @tomaszszymanski129
• Fix performance for User type on resolvers: orders, gift cards, events - #7574 by @tomaszszymanski129
• Modify order of auth middleware calls - #7572 by @tomaszszymanski129
• Set authorize.net order description to graphql_payment_id for cross referencing - #7605 by @bufke
• description_plaintext blocks are improperly concatenated - #7600 by @daltonsena