[Analyzer] Fix Source Generator Connection type collision

[tobias-tengler]

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[Copilot]

Pull request overview

Fixes a Source Generator–introduced connection type collision by aligning FactoryTypeReference.GetHashCode with its Equals implementation. Previously Equals used SyntaxComparer.BySyntax for TypeStructure but GetHashCode relied on the default reference-based hash of ITypeNode, so semantically equal type references hashed differently and connection type deduplication failed.

Changes:

• Use SyntaxComparer.BySyntax.GetHashCode(TypeStructure) in FactoryTypeReference.GetHashCode to match Equals.
• Add integration test fixtures (GetBooks, GetFavoriteBooks) exercising two paginated fields over the same element type.
• Add new schema snapshot test Schema_Snapshot_Without_ConnectionName_Inference and update existing snapshot to cover both inferred and non-inferred connection naming.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/HotChocolate/Core/src/Types/Types/Descriptors/TypeReferences/FactoryTypeReference.cs	Make GetHashCode consistent with Equals via SyntaxComparer.BySyntax.
src/HotChocolate/Core/test/Types.Analyzers.Integration.Tests/Product.cs	Add two [UsePaging] queries over IEnumerable<Book> to reproduce the collision.
src/HotChocolate/Core/test/Types.Analyzers.Integration.Tests/IntegrationTests.cs	Add snapshot test with InferConnectionNameFromField = false.
.../snapshots/IntegrationTests.Schema_Snapshot.snap	Updated snapshot now includes distinct BooksConnection/FavoriteBooksConnection.
.../snapshots/IntegrationTests.Schema_Snapshot_Without_ConnectionName_Inference.snap	New snapshot showing both fields share a single BookConnection when inference is off.

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