MDriven 7.2 - end in mind is to modernize and make MDrivenDesigner and MDrivenFramework run .net8

- this will allow us to solve a ton of GAC related issues

- it will allow us to use BlazorWebView for ViewModel design

- it has do be done sooner or later

Change drivers and mitigations

When compiling the MDrivenDesigner WPF parts in .net8 we get a conflict for type references and namespaces used in XAML. In order to allow the XAML to stay the same we need to switch even the old Framework version to use the Eco.ModelLayer assemblies compiled with .netStandard...

This is relatively safe - since .netStandard works for all versions - and we really do not need a non .netStandard version of things that we have .netStandard versions of.

The Eco.ModelLayer.netstandard assemblies reference the Eco.handles,Eco.Interfaces and Eco.LinqExtender assemblies - we have these in .netStandard as well - so we may as well shift out old Eco.handles,Eco.Interfaces and Eco.LinqExtender to mdriven.handles.netstandard,mdriven.Interfaces.netstandard and mdriven.LinqExtender.netstandard