#11149 fix(integration-make-com, integration-zapier): answer the default settings when the integration is not configured

Problem

IntegrationTenantService.findOneByOptions throws NotFoundException on a miss and never returns null, so the "not configured" branch of getIntegrationSettings was unreachable in both plugins:

• Make.com: the outer catch swallowed the NotFoundException, so a tenant without the integration got undefined (an empty 200) instead of { isEnabled: false, webhookUrl: null }.
• Zapier: the error was rethrown, so the settings endpoint answered 404 instead of its isEnabled: false default.

Fix

The lookup turns NotFoundException into null (as ActivepiecesService does), so the existing default is returned; other errors are still rethrown.

Tests

New make-com.service.settings.spec.ts and zapier.service.settings.spec.ts: default on NotFoundException, stored settings mapped when the integration exists, other errors rethrown.

Notes

Not built or run locally.

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Summary by cubic

Fixes the settings endpoints for Make.com and Zapier integrations so tenants without an integration configured receive the proper default response instead of an empty 200 or a 404.

• Handles NotFoundException from findOneByOptions as "not configured", returning { isEnabled: false } defaults with relevant null/false fields; other errors are still rethrown.
• Adds unit tests for the make.com and Zapier settings services covering the default, mapped settings, and error rethrow paths.