[Recombee (Actions)] Fix bugs

[danielforr]

Hi,

After testing our integration in private beta we've found some bugs and things that should be changed, addressing all of them in this PR.

Changes:

• fixed ecommerceIdMapping field paths
• deleted format: 'hostname' from API URI field - was considered "required" (probably due to format) even when hidden in UI
• added Product Added preset after being removed in 2445 - fixed the fields
• simplified addBookmark defaultSubscription - unfortunately it wasn't working in the UI
• addCartAddition was accidentally set to array even though it should process just 1 item
  • changed fields from array to object
  • changed perform to reflect change from array to one item object
  • changed tests to not expect batch requests
  • remove test with multiple items - not relevant anymore
  • regenerated snapshots and types

Testing

Include any additional information about the testing you have completed to
ensure your changes behave as expected. For a speedy review, please check
any of the tasks you completed below during your testing.

• Added unit tests for new functionality
• Tested end-to-end using the local server
• [If destination is already live] Tested for backward compatibility of destination. Note: New required fields are a breaking change.
• [Segmenters] Tested in the staging environment
• [Segmenters] [If applicable for this change] Tested for regression with Hadron.

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[joe-ayoub-segment]

Thanks for the PR @danielforr . LGTM! We're not deploying code this week due to the election, so this will go out next Tuesday.

[joe-ayoub-segment]

hi @danielforr just a quick clarification - there's no customers using this yet is there?

[danielforr]

Hi @joe-ayoub-segment thanks for the quick review. There's no customers using this yet, the integration was just tested by us internally.

[joe-ayoub-segment]

hi @danielforr PR deployed. Please confirm that you are happy with the change!