[#61889] Primerize Project create and settings > Information forms

[myabc]

Ticket

https://community.openproject.org/wp/61889

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Merge checklist

• Added/updated tests
• Added/updated documentation in Lookbook (patterns, previews, etc)
• Tested major browsers (Chrome, Firefox, Edge, ...)

[Copilot]

Pull Request Overview

This PR refactors the project creation interface by replacing an Angular component with native form helpers and introduces a dedicated project form as part of the project creation process. It also updates the controller logic to support creating subprojects.

• Replaced the Angular component in the new project view with a primer form block.
• Introduced a new Projects::Form for handling project-specific input fields.
• Updated the new action in ProjectsController to create project instances based on the parent project if provided.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
app/views/projects/new.html.erb	Replaced angular component usage with a primer form block rendering.
app/forms/projects/form.rb	Added a new form for project creation with custom fields.
app/controllers/projects_controller.rb	Modified new action to handle subproject instantiation.

Comments suppressed due to low confidence (1)

app/views/projects/new.html.erb:39

• [nitpick] The wrapper_id 'FOO' appears to be a placeholder value. Consider using a descriptive identifier to better reflect its purpose.

concat render(Projects::CustomFields::Form.new(f, project: @project, wrapper_id: "FOO"))