[DLE 4.0] feat (ui): Clones (#471)

Description

Clones: the same list, single-clone view, and action buttons as we have in Overview – the only difference is that we don't cut the list – we can show the all here

Related issue

#471 (closed)

Examples

Clones tab with table list

• Clones list isn't cut on this tab, unlike on the overview tab.
• Users can click on the item inside to table to navigate to the inner page.
• Loading spinner for before data is loaded.

Clone page

Users can click on the Clones inside the breadcrumbs to navigate back to the clones tab.

Create clone page

Added required select input for branch and optional text input for database name.

Checklist

• MR description has been reviewed
• MR changes are functionally tested
• MR does NOT have API/CLI changes OR there are API/CLI changes and they have been reviewed & DOCS ARE ADJUSTED (reference doc, etc)
• MR does NOT have UI changes OR there are UI changes and they have been reviewed & UX IS REVIEWED

Closes #471 (closed)