fix: first and last name field in party quick entry form (backport #3791)

[mergify]

Issue: The User did not have the option to enter the contact's first and last name.
depends on: frappe/erpnext#46281

Frappe Support Issue: https://support.frappe.io/app/hd-ticket/53105

Summary by CodeRabbit

• New Features
  • Added first and last name fields for the primary contact in the quick entry form when creating company-type parties; these fields are shown only for companies and are visually separated for clarity.
  • Entered names now automatically populate the primary contact name in the party record, streamlining contact setup.

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This is an automatic backport of pull request #3791 done by [Mergify](https://mergify.com).

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[india-compliance-bot]

🎉 This PR is included in version 15.24.0 🎉

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