fix(core)!: Make date extensions outputs match inputs

[ivov]

Ensure that native JS dates remain native JS dates, and that luxon dates remain luxon dates.

[github-actions]

Great PR! Please pay attention to the following items before merging:

Files matching packages/**:

• If fixing bug, added test to cover scenario.
• If addressing forum or Github issue, added link to description.

Files matching packages/**/*.ts:

• Added unit tests to cover new or updated functionality.

Make sure to check off this list before asking for review.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-v1@9b9bef6). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@              Coverage Diff              @@
##             release-v1    #6435   +/-   ##
=============================================
  Coverage              ?   28.21%           
=============================================
  Files                 ?     2978           
  Lines                 ?   184957           
  Branches              ?    20262           
=============================================
  Hits                  ?    52187           
  Misses                ?   131987           
  Partials              ?      783           

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[valya]

Don't see any issues but some tests for plus and minus would be good to see at some point.

[github-actions]

⚠️ Some Cypress E2E specs are failing, please fix them before merging

[cypress]

12 failed and 1 flaky tests on run #1199 ↗︎

12

119

0

0

1

Details:

🌳 n8n-6252-make-date-extensions-outputs-match-inputs 🖥️ browsers:node18.12.0-c...
Project: n8n	Commit: 93c0dfb46a
Status: Failed	Duration: 44:34 💡
Started: Jun 15, 2023 7:42 AM	Ended: Jun 15, 2023 8:26 AM

  18-user-management.cy.ts • 12 failed tests

View Output Video

Test		Artifacts
User Management > should invite User B and User C to instance		Output Screenshots Video
User Management > should prevent non-owners to access UM settings		Output Screenshots Video
User Management > should allow instance owner to access UM settings		Output Screenshots Video
User Management > should properly render UM settings page for instance owners		Output Screenshots Video
User Management > should delete user and their data		Output Screenshots Video
User Management > should delete user and transfer their data		Output Screenshots Video
User Management > should allow user to change their personal data		Output Screenshots Video
User Management > shouldn't allow user to set weak password		Output Screenshots Video
User Management > shouldn't allow user to change password if old password is wrong		Output Screenshots Video
User Management > should change current user password		Output Screenshots Video
The first 10 failed tests are shown, see all 12 tests in Cypress Cloud.

  14-data-transformation-expressions.cy.ts • 0 failed tests

View Output Video

Test		Artifacts

  17-sharing.cy.ts • 0 failed tests

View Output Video

Test		Artifacts

  24-ndv-paired-item.cy.ts • 0 failed tests

View Output Video

Test		Artifacts

  14-mapping.cy.ts • 0 failed tests

View Output Video

Test		Artifacts

The first 5 failed specs are shown, see all 21 specs in Cypress Cloud.

  cypress/e2e/12-canvas.cy.ts • 1 flaky test

View Output Video

Test		Artifacts
Canvas Node Manipulation and Navigation > should add switch node and test connections		Output Screenshots Video

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[github-actions]

⚠️ Some Cypress E2E specs are failing, please fix them before merging

[janober]

Got released with n8n@1.0.5