fix: match Game Settings pilots by the options file's identity - #3

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/

Fix formatting (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0055)

File name must match type name (enum ClientSelectedChatChannel), expected file name: 'ClientSelectedChatChannel' (https://github.com/meziantou/Meziantou.Analyzer/blob/main/docs/Rules/MA0048.md)

Add StructLayoutAttribute (https://github.com/meziantou/Meziantou.Analyzer/blob/main/docs/Rules/MA0008.md)

File name must match type name (record struct ClientObservedColor), expected file name: 'ClientObservedColor' (https://github.com/meziantou/Meziantou.Analyzer/blob/main/docs/Rules/MA0048.md)

Converting null literal or possible null value to non-nullable type.

Converting null literal or possible null value to non-nullable type.

Populate switch (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0072)

File name must match type name (record ControlPlaneRequest), expected file name: 'ControlPlaneRequest' (https://github.com/meziantou/Meziantou.Analyzer/blob/main/docs/Rules/MA0048.md)

File name must match type name (record ControlPlaneResponse), expected file name: 'ControlPlaneResponse' (https://github.com/meziantou/Meziantou.Analyzer/blob/main/docs/Rules/MA0048.md)