Polishing the code base - #6

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-dotnet@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

The field Perpetuum.AdminTool.Seasons.SeasonTierRow._selectedPackage is annotated with

The field Perpetuum.AdminTool.Seasons.SeasonTierRow._selectedEquipmentSet is annotated with

'SHA1CryptoServiceProvider' is obsolete: 'Derived cryptographic types are obsolete. Use the Create method on the base type instead.' (https://aka.ms/dotnet-warnings/SYSLIB0021)

Partial method declarations 'void SeasonDetailViewModel.OnIsExportingChanged(bool value)' and 'void SeasonDetailViewModel.OnIsExportingChanged(bool _)' have signature differences.

Partial method declarations 'void RobotTemplatesViewModel.OnIsLoadingChanged(bool value)' and 'void RobotTemplatesViewModel.OnIsLoadingChanged(bool _)' have signature differences.

Partial method declarations 'void EntitiesViewModel.OnIsLoadingChanged(bool value)' and 'void EntitiesViewModel.OnIsLoadingChanged(bool _)' have signature differences.

Partial method declarations 'void AutoMarketOrdersViewModel.OnCategoryFilterChanged(string? value)' and 'void AutoMarketOrdersViewModel.OnCategoryFilterChanged(string? _)' have signature differences.

Partial method declarations 'void AutoMarketOrdersViewModel.OnOrderTypeFilterChanged(string? value)' and 'void AutoMarketOrdersViewModel.OnOrderTypeFilterChanged(string? _)' have signature differences.

Partial method declarations 'void AutoMarketOrdersViewModel.OnIsLoadingChanged(bool value)' and 'void AutoMarketOrdersViewModel.OnIsLoadingChanged(bool _)' have signature differences.