Select disk for app volume destination

[DavidePrincipi]

• UI Implementation of Assign specific app volumes to dedicated storage #7665
• Figma Design https://www.figma.com/design/OsYqPXdkKJz0tBJRsiQgAf/NethServer-shared-file?node-id=3316-9988&t=kuYqnsQM51Hhkqof-1

see mattermost link
see PR core implementation

[DavidePrincipi]

🐛 It seems the clone/move scenario shows an enabled "Clone" button, where it should be disabled

Furthermore, we'd replace the words "app(s)" and "instance(s)" in UI labels with a proper "application" wording.

Discussion https://mattermost.nethesis.it/nethesis/pl/mic6r5fwq38tjgdj55qtsbe3fo

[stephdl]

see NethServer/ns8-core#1008

[stephdl]

see UI wizard change NethServer/ns8-ui-lib#50