[Auth model] refacto with DataLoader

src/graphql/models/authorization.ts

src/graphql/object_resolvers/groups/groups.ts

src/graphql/object_resolvers/groups/metaGroups.ts

src/graphql/object_resolvers/groups/simpleGroups.ts

src/graphql/object_resolvers/users.ts

src/graphql/resolvers.ts