Server-side form handling has been improved and related accounting, field service, manufacturing, and test flows were updated to work correctly with the change. This reduces the risk of errors in automated business processes and helps keep key workflows stable.

Companion of https://github.com/odoo/odoo/pull/116779.

Project budget items now open directly in their detailed form view from the budget section. This makes it easier for users to review and update budget information without extra navigation steps.

Purpose of this commit is to improve the generic usage of the project app

So in this commit done the following changes:
- project updates -> budget section -> budget items restrict to open form view.

tas-3073860