Update to net9

[PTKu]

This pull request includes various updates to the axopen.template.simple project, focusing on version upgrades, configuration changes, and code refactoring for better namespace usage. The most important changes are grouped by their themes below:

Version Upgrades:

• Updated AXSharp.ixc, AXSharp.ixr, and microsoft.visualstudio.slngen.tool versions in the .config/dotnet-tools.json file.
• Changed the target framework from net8.0 to net9.0 in the axosimple.server.csproj file.

Configuration Changes:

• Updated HWCONFIG and AXTARGET values in the ax/apax.yml file.

Solution File Updates:

• Modified project references and added new projects in the axosimple.sln file. [1] [2]

Code Refactoring:

• Commented out the SetInputs method in the Io.razor file.
• Changed the namespace usage to global:: in the UnitBase.g.cs and UnitContainerBase.g.cs files for better clarity and consistency. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16]