PR comment followups (isNonEmptyString and rename WorkflowExecutionResult) (#13706)

Addressing two comments from Thomas and Charles

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

@@ -1,5 +1,7 @@
 import { Injectable } from '@nestjs/common';
 
+import { isNonEmptyString } from '@sniptt/guards';
+
 import { ConnectedAccountWorkspaceEntity } from 'src/modules/connected-account/standard-objects/connected-account.workspace-entity';
 import {
   MessageImportDriverException,
@@ -47,7 +49,7 @@ export class MicrosoftEmailAliasManagerService {
         })
         // @ts-expect-error legacy noImplicitAny
         .filter((address) => {
-          return address !== '';
+          return isNonEmptyString(address);
         }) || [];
 
     return handleAliases;

packages/twenty-server/src/modules/contact-creation-manager/services/create-company-and-contact.service.ts

@@ -150,10 +150,9 @@ export class CreateCompanyAndContactService {
       filteredContactsToCreateWithCompanyDomainNames.map((contact) => ({
         handle: contact.handle,
         displayName: contact.displayName,
-        companyId:
-          contact.companyDomainName && contact.companyDomainName !== ''
-            ? companiesObject[contact.companyDomainName]
-            : undefined,
+        companyId: isNonEmptyString(contact.companyDomainName)
+          ? companiesObject[contact.companyDomainName]
+          : undefined,
         createdBySource: source,
         createdByWorkspaceMember: connectedAccount.accountOwner,
         createdByContext: {