Codestyle and Linting fixes, GraphQL Subscription Auth

src/app.module.ts

src/auth/agent-auth.guard.ts

src/auth/group-auth.guard.ts

src/main.ts

src/resolvers/agent.resolver.ts

src/resolvers/entry.resolver.ts

src/resolvers/group.resolver.ts

src/resolvers/resolver.module.ts

src/resolvers/token-code.resolver.ts

src/telegram/telegram.service.ts