ConnectOnStartup spawns multiple dev tools

[PerfectlyFineCode]

Describe the bug

Whenever you set ConnectOnStartup to true it will spawn multiple dev tools simultaneously at startup.

To Reproduce

1. Install required dependencies
2. Add this to App.axaml.cs initialize

this.AttachDeveloperTools(x =>
{
	x.ConnectOnStartup = true;
});

3. Start application
4. It should now spawn 3+ dev tool windows at startup.

Expected behavior

It should only spawn a single dev tool on startup.

Version information

Avalonia: 11.2.6
Dev Tools: 2.0.2

OS

Windows

Logs

No response

Additional context

No response

[maxkatz6]

Do you have any previewer tabs opened at the same time?
It's by design supported use case. You can use Design.IsDesignMode to conditionally disable/enable ConnectOnStartup.

[PerfectlyFineCode]

I do not have previewer open, no. I always use just the code view, and I use JetBrains Rider if that makes a difference.

[maxkatz6]

@PerfectlyFineCode do you have any other repro? I don't see this issue. I also tried FluentAvalonia demo you used in another issue.

[PerfectlyFineCode]

@PerfectlyFineCode do you have any other repro? I don't see this issue. I also tried FluentAvalonia demo you used in another issue.

It seems like if I have open multiple axaml tabs it spawns one for each of them.
I do however have no previewer open for any of them.

[maxkatz6]

@PerfectlyFineCode yes, for some reason previewer process is still running, even if it's not visible.
In 2.0.3 I changed default behavior, so ConnectOnStartup doesn't affect previewer builds.

[PerfectlyFineCode]

For me it seems like it still opens multiple tools when multiple tabs are active, and I have updated both the application and the nuget package; I do not have a previewer open, both are set to 'Editor Only'