Room list: sections - P7 a11y alternative to drag and drop to move section

### Your use case

we will try to make the drag and drop of sections to change their order accessible but its unlikely to be perfect, therefore we should build the modal that allows users to open a modal to reorder their sections - this screen is already available in the design file.

### Have you considered any alternatives?

_No response_

### Additional context

_No response_