fix: API v1 slot return regression fix

[alishaz-polymath]

What does this PR do?

This PR fixes a regression caused by a missing key within the availability object when returning slots without a timezone.

Fixes #13376

Requirement/Documentation

• If there is a requirement document, please, share it here.
• If there is ab UI/UX design document, please, share it here.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Chore (refactoring code, technical debt, workflow improvements)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Tests (Unit/Integration/E2E or any other test)
• This change requires a documentation update

How should this be tested?

• Are there environment variables that should be set?
• What are the minimal test data to have?
• What is expected (happy path) to have (input and output)?
• Any other important info that could help to test that PR

Mandatory Tasks

• Make sure you have self-reviewed the code. A decent size PR without self-review might be rejected.

Checklist

• I haven't read the contributing guide
• My code doesn't follow the style guidelines of this project
• I haven't commented my code, particularly in hard-to-understand areas
• I haven't checked if my PR needs changes to the documentation
• I haven't checked if my changes generate no new warnings
• I haven't added tests that prove my fix is effective or that my feature works
• I haven't checked if new and existing unit tests pass locally with my changes

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Name	Status	Preview	Comments	Updated (UTC)
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4 Ignored Deployments

Name	Status	Preview	Comments	Updated (UTC)
cal	⬜️ Ignored (Inspect)			Jan 24, 2024 6:27am
cal-demo	⬜️ Ignored (Inspect)			Jan 24, 2024 6:27am
calcom-web-canary	⬜️ Ignored (Inspect)			Jan 24, 2024 6:27am
ui	⬜️ Ignored (Inspect)			Jan 24, 2024 6:27am

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Current Playwright Test Results Summary

✅ 84 Passing - ⚠️ 4 Flaky

Run may still be in progress, this comment will be updated as current testing workflow or job completes...

(Last updated on 01/24/2024 07:01:04am UTC)

Run Details

Running Workflow PR Update on Github Actions

Commit: fb8ff6d

Started: 01/24/2024 06:57:10am UTC

⚠️ Flakes

📄   apps/web/playwright/login.e2e.ts • 1 Flake

Test Case Results

Test Case	Last 7 days Failures	Last 7 days Flakes
user can login & logout succesfully -- future login flow user & logout using dashboard Retry 2 • Retry 1 • Initial Attempt	37.62% (38) 38 / 101 runs failed over last 7 days	36.63% (37) 37 / 101 runs flaked over last 7 days

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📄   apps/web/playwright/integrations-stripe.e2e.ts • 2 Flakes

Top 1 Common Error Messages

null	2 Test Cases Affected

Test Case Results

Test Case	Last 7 days Failures	Last 7 days Flakes
Stripe integration Pending payment booking should not be confirmed by default Retry 1 • Initial Attempt	1.51% (5) 5 / 332 runs failed over last 7 days	7.23% (24) 24 / 332 runs flaked over last 7 days
Stripe integration When event is paid and confirmed Cancelled paid booking should be refunded Retry 1 • Initial Attempt	2.15% (7) 7 / 325 runs failed over last 7 days	2.15% (7) 7 / 325 runs flaked over last 7 days

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📄   apps/web/playwright/event-types.e2e.ts • 1 Flake

Test Case Results

Test Case	Last 7 days Failures	Last 7 days Flakes
Event Types tests -- future user can add multiple organizer address Retry 1 • Initial Attempt	1.05% (2) 2 / 191 runs failed over last 7 days	13.09% (25) 25 / 191 runs flaked over last 7 days

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View Detailed Build Results

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[github-actions]

📦 Next.js Bundle Analysis for @calcom/web

This analysis was generated by the Next.js Bundle Analysis action. 🤖

This PR introduced no changes to the JavaScript bundle! 🙌