update packages to fix restore issue.
MODIFY
Directory.Build.targets
Directory.Build.targets
<Project>
<PropertyGroup>
- <AvaloniaVersion>0.7.1-cibuild0001439-beta</AvaloniaVersion>
+ <AvaloniaVersion>0.7.1-cibuild0001553-beta</AvaloniaVersion>
<AvaloniaBehaviorsVersion>0.7.0</AvaloniaBehaviorsVersion>
</PropertyGroup>

MODIFY
WalletWasabi.Dependencies/AvalonStudio.Shell
WalletWasabi.Dependencies/AvalonStudio.Shell
-Subproject commit 8413972a1a1f2bebf0dfa22b395639c9c7bb1a3c
+Subproject commit 82660f02a8aec47dd68882dfba973a42a9b89585

update packages to fix restore issue.