Fix contact creation and rename email aliases to handle aliases

[bosiraphael]

Fix contact creation (linked to #6162) and rename email aliases to handle aliases

[greptile-apps]

PR Summary

• Renamed emailAliases to handleAliases in mock data for SettingsAccountsCalendars.stories.tsx and SettingsAccountsEmails.stories.tsx
• Updated CONNECTED_ACCOUNT_STANDARD_FIELD_IDS in standard-field-ids.ts to use handleAliases
• Modified filter-out-contacts-from-company-or-workspace.util.ts to reflect handleAliases
• Renamed methods and variables in google-email-alias-manager.service.ts and email-alias-manager.service.ts to handleAliases
• Updated ConnectedAccountRepository and connected-account.workspace-entity.ts to use handleAliases
• Changed messaging-message.service.ts and messaging-gmail-messages-import.service.ts to use handleAliases in message direction logic and method names

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