[Cache] finish cache for users and groups

src/graphql/models/groupModel.ts

src/graphql/models/messageModel.ts

src/graphql/models/userModel.ts

src/graphql/object_resolvers/groups/metaGroups.ts

src/graphql/object_resolvers/groups/simpleGroups.ts

src/graphql/object_resolvers/messages/events.ts

src/graphql/object_resolvers/messages/privatePosts.ts

src/graphql/object_resolvers/messages/questions.ts

src/graphql/object_resolvers/requests/groupJoinMetagroup.ts

src/graphql/object_resolvers/requests/userJoinGroup.ts

src/graphql/object_resolvers/users.ts

src/graphql/resolvers.ts

src/utils/cache.ts

test/resolvers/data/onplatal/users.ts