[AUDIT] Run knip over twenty-server (#21159)

# Introduction
Run [knip](https://knip.dev/) over twenty-server
Used config:
```json
{
  "$schema": "https://unpkg.com/knip@5/schema.json",
  "workspaces": {
    "packages/twenty-server": {
      "entry": [
        "src/main.ts",
        "src/command/command.ts",
        "src/queue-worker/queue-worker.ts",
        "src/database/scripts/setup-db.ts",
        "src/database/scripts/truncate-db.ts",
        "src/database/clickHouse/migrations/run-migrations.ts",
        "src/database/clickHouse/seeds/run-seeds.ts",
        "src/instrument.ts",
        "lingui.config.ts",
        "test/integration/graphql/codegen/index.ts",
        "test/integration/utils/setup-test.ts",
        "test/integration/utils/teardown-test.ts",
        "scripts/**/*.ts",
        "**/*.spec.ts",
        "**/*.integration-spec.ts"
      ],
      "project": ["src/**/*.ts", "test/**/*.ts", "scripts/**/*.ts"],
      "ignore": [
        "src/database/typeorm/**/migrations/**",
        "src/database/typeorm/**/*.entity.ts",
        "**/*.workspace-entity.ts",
        "**/logic-function-resource/constants/seed-project/**"
      ],
      "ignoreDependencies": ["@types/psl", "@types/aws-lambda"],
      "ignoreBinaries": ["nest", "lingui", "typeorm"]
    }
  }
}
```

packages/twenty-server/src/engine/core-modules/auth/dto/exchange-auth-code.dto.ts

@@ -1,15 +0,0 @@
-import { Field, ObjectType } from '@nestjs/graphql';
-
-import { AuthToken } from 'src/engine/core-modules/auth/dto/auth-token.dto';
-
-@ObjectType('ExchangeAuthCode')
-export class ExchangeAuthCodeDTO {
-  @Field(() => AuthToken)
-  accessOrWorkspaceAgnosticToken: AuthToken;
-
-  @Field(() => AuthToken)
-  refreshToken: AuthToken;
-
-  @Field(() => AuthToken)
-  loginToken: AuthToken;
-}

packages/twenty-server/src/engine/core-modules/auth/dto/exchange-auth-code.input.ts

@@ -1,21 +0,0 @@
-import { ArgsType, Field } from '@nestjs/graphql';
-
-import { IsNotEmpty, IsOptional, IsString } from 'class-validator';
-
-@ArgsType()
-export class ExchangeAuthCodeInput {
-  @Field(() => String)
-  @IsNotEmpty()
-  @IsString()
-  authorizationCode: string;
-
-  @Field(() => String, { nullable: true })
-  @IsOptional()
-  @IsString()
-  codeVerifier?: string;
-
-  @Field(() => String, { nullable: true })
-  @IsOptional()
-  @IsString()
-  clientSecret?: string;
-}

packages/twenty-server/src/engine/core-modules/auth/dto/workspace-agnostic-token.dto.ts

@@ -1,9 +0,0 @@
-import { Field, ObjectType } from '@nestjs/graphql';
-
-import { AuthToken } from 'src/engine/core-modules/auth/dto/auth-token.dto';
-
-@ObjectType()
-export class WorkspaceAgnosticToken {
-  @Field(() => AuthToken)
-  token: AuthToken;
-}

packages/twenty-server/src/engine/core-modules/auth/guards/is-pending-activation-user-auth-context.guard.ts

@@ -1,10 +0,0 @@
-import {
-  type PendingActivationUserWorkspaceAuthContext,
-  type WorkspaceAuthContext,
-} from 'src/engine/core-modules/auth/types/workspace-auth-context.type';
-
-export const isPendingActivationUserAuthContext = (
-  context: WorkspaceAuthContext,
-): context is PendingActivationUserWorkspaceAuthContext => {
-  return context.type === 'pendingActivationUser';
-};

packages/twenty-server/src/engine/core-modules/auth/types/auth-context-user.type.ts

@@ -1,7 +0,0 @@
-import { type UserEntity } from 'src/engine/core-modules/user/user.entity';
-import { type AUTH_CONTEXT_USER_SELECT_FIELDS } from 'src/engine/core-modules/auth/constants/auth-context-user-select-fields.constants';
-
-export type AuthContextUser = Pick<
-  UserEntity,
-  (typeof AUTH_CONTEXT_USER_SELECT_FIELDS)[number]
->;