[UD] Expose URL parameters to users(Git Repo Options)

[olexii4]

Is your enhancement related to a problem? Please describe

Expose URL parameters to users. Improve the Import from Git widget(It needs for #22784).

Describe the solution you'd like

Mockups

With Git Repo options collapsed (the default)

With Git Repo options expanded (the user needs to click on the labels to expand)

Describe alternatives you've considered

No response

Additional context

No response

[RomanNikitenko]

From my point of view, the current behaviour is not obvious:

• when the editor selector panel (Choose an Editor) is opened, the selected editor will override the editor definition in the factory repo;
• when the editor definition panel (Use an Editor Definition) is opened and the fields are empty the editor definition in the factory repo will be applied.

Choose an Editor is open by default, but I don't want to select it - editor is defined in my repo (./che/che-editor.yaml) - I don't want to override it - how I can unselect it?
it looks like I should open Use an Editor Definition - but again - there are two fields that I don't need to define - editor is defined in my repo (./che/che-editor.yaml)...

so - I should open Use an Editor Definition and put nothing there to get editor definition that I already have in my repo (./che/che-editor.yaml) - this step is not obvious as for me...