docs: update graphql descriptions backend (#3013)

* Update schema.graphql

Initial commit - descriptions added/refined for:
- Input objects
- Types/objects
- Enums
- Queries

* Update schema.graphql

Finished descriptions for the following:
- Mutations
- Scalars
- Interfaces

* Update schema.graphql

Added descriptions for stateAttempts
Fixed minor formatting inconsistencies

* Update schema.graphql

Revising transferType enum descriptions

* Update schema.graphql

Adding query argument descriptions
Spelling fixes for "identifer" instead of "identifier"

* chore: generate graphql TS types

* chore(backend): formatting

* Updated descriptions from Max's comments

- changing external Wikipedia links (idempotence, ISO 4217) to internal Rafiki docs links (idempotency, assets)
- more context around cursor-based pagination, specifically ID types

* minor change for sort order

- changed wording to align with auth admin api

* chore: generated TS types from updated backend Admin API schema

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Co-authored-by: Max Kurapov <[email protected]>