5748 Create contacts for emails sent and received by email aliases (#5855)

Closes #5748
- Create feature flag
- Add scope `https://www.googleapis.com/auth/profile.emails.read` when
connecting an account
- Get email aliases with google people API, store them in
connectedAccount and refresh them before each message-import
- Update the contact creation logic accordingly
- Refactor

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/modules/connected-account/email-alias-manager/services/email-alias-manager.service.ts

@@ -0,0 +1,41 @@
+import { Injectable } from '@nestjs/common';
+
+import { InjectObjectMetadataRepository } from 'src/engine/object-metadata-repository/object-metadata-repository.decorator';
+import { GoogleEmailAliasManagerService } from 'src/modules/connected-account/email-alias-manager/drivers/google/google-email-alias-manager.service';
+import { ConnectedAccountRepository } from 'src/modules/connected-account/repositories/connected-account.repository';
+import { ConnectedAccountWorkspaceEntity } from 'src/modules/connected-account/standard-objects/connected-account.workspace-entity';
+
+@Injectable()
+export class EmailAliasManagerService {
+  constructor(
+    @InjectObjectMetadataRepository(ConnectedAccountWorkspaceEntity)
+    private readonly connectedAccountRepository: ConnectedAccountRepository,
+    private readonly googleEmailAliasManagerService: GoogleEmailAliasManagerService,
+  ) {}
+
+  public async refreshEmailAliases(
+    connectedAccount: ConnectedAccountWorkspaceEntity,
+    workspaceId: string,
+  ) {
+    let emailAliases: string[];
+
+    switch (connectedAccount.provider) {
+      case 'google':
+        emailAliases =
+          await this.googleEmailAliasManagerService.getEmailAliases(
+            connectedAccount,
+          );
+        break;
+      default:
+        throw new Error(
+          `Email alias manager for provider ${connectedAccount.provider} is not implemented`,
+        );
+    }
+
+    await this.connectedAccountRepository.updateEmailAliases(
+      emailAliases,
+      connectedAccount.id,
+      workspaceId,
+    );
+  }
+}