feat: createEventOnLeadCheckForContact feature to Hubspot

[Pallava-Joshi]

https://github.com/user-attachments/assets/4ea2809d-e2ea-4a89-9842-762f2b749ece

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Summary by cubic

Adds an optional setting to the HubSpot integration to create events on contacts first, and fall back to leads if no contact is found.

• New Features
  • UI toggle in the Event Type card: “Create event on contact, if it exists. Else fall back to lead”.
  • When enabled, CRM service searches contacts first; if none found, it searches leads.
  • Added locale string and updated app data schema for the new setting.

^{Written for commit d7b11f30d9ebb4a729d00948fcc3751d1cafff62. Summary will update automatically on new commits.}

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[Pallava-Joshi]

Company - Toggle OFF

• event is created in company https://github.com/user-attachments/assets/adfcdebb-f4d5-4ec6-b75f-3292c1602f52

Company - Toggle ON, Contacts - Toggle OFF

• event created on company if contact doesn't exist
• event created on contact, if it exists https://github.com/user-attachments/assets/c5b65308-db02-4d48-b652-c88fde8b62f0

Contacts - Toggle ON

• skip creation of contacts if not present https://github.com/user-attachments/assets/c76a24a5-d8dc-4c42-a0b4-0f96ebb18c52

[Pallava-Joshi]

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