Mount and browse ISO files straight from the Files context menu

## Prerequisites
- [x] I have searched open and closed issues for duplicates.

## Feature
It would be handy to be able to right click on an ISO file in Files and be able to mount the ISO file so you can browse it from the Files app.

**Describe the solution you'd like**
To be able to mount, browse and unmount an ISO files from the Files right click context menu and for the mounted ISO show up under Devices in the Files app on the left hand side.

**Existing work**
Was only able to find work related to how to mount ISO file from Terminal

**Describe alternatives you've considered**
I have not considered any alternatives as what I would like to see would be the Files app to be able to mount, unmount and browse ISO files from the GUI

**Additional context**
N/A