[BUG] Create new instance from template with empty (default) name does nothing

[timegrinder]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

Creating a new instance from a template without populating the name field appears to work but breaks silently in the background, continuing to show 'Creating instance. This might take a while...' even if there is no existing instance with that template name.

Expected Behavior

One of:

• The prefilled default name to actually be checked / passed to the instance creator if not in use
• A warning / error regarding manual entry in the field being required
• Similar other fix as you see fit

And possibly:

• The exception to be passed back to the GUI and handled to show the user that there was at least an error

Steps To Reproduce

1. Create a template from an instance
2. Rename the template OR delete the original instance
3. Create a new instance from the template without populating the name field (leaving the prefilled example name)
4. (a) See Creating instance. This might take a while... appear in GUI with no end
5. (b) wslmanager log file produces error:

<asynchronous suspension>
#1      Templates.useTemplate (package:wsl2distromanager/api/templates.dart:48)
<asynchronous suspension>
#2      _TemplatePageState.build.<anonymous closure>.<anonymous closure>.<anonymous closure> (package:wsl2distromanager/screens/template_screen.dart:142)
<asynchronous suspension>

Environment

- Windows Version: Windows 11 Pro 10.0.26200
- WSL Distro Manager Version: v1.10.0
- WSL Version: 2.6.3.0
- Source: GitHub releases

Anything else?

No response

[github-actions]

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