openSUSE / agama / 8541085668

Pull #1127

github

New device and boot selection dialogs (#1106)

This PR implements the new UI selectors for the target installation
device and for the boot device, see
https://github.com/openSUSE/agama/blob/master/doc/storage_ui.md.

For the installation device it offers the following options:

* Select a target disk (the file systems are created over new
partitions).
* Create a new LVM volume group (the file systems are crated over
logical volumes).
* The option for reusing LVM volume groups is not offered yet.

For the boot device it offers the following options:

* To use the selected disk for installation.
* To use a different disk.
* To not configure boot partitions.

## Screenshots

<details>
<summary>Toggle</summary>

![localhost_8080_
(33)](https://github.com/openSUSE/agama/assets/1112304/63828e27-b3b1-4312-a14a-0435a86d3347)

![localhost_8080_
(32)](https://github.com/openSUSE/agama/assets/1112304/b79b84b9-d543-4558-af79-4b7cfd0d8bc7)

</details>

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