Executor.cs: make constructors of abstract classes protected, keep co…

[temonk]

Executor.cs: make constructors of abstract classes protected, keep concrete implementations’ constructors public.

[Copilot]

Pull Request Overview

This PR changes the constructor visibility logic in the Choice generator to use abstract type checking instead of sealed type checking. The change ensures that abstract classes get protected constructors while concrete implementations maintain public constructors, which follows proper object-oriented design principles.

• Updated constructor visibility logic from isSealedType to !typeSymbol.IsAbstract
• Incremented version number to 1.3.3

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
src/AltaSoft.Choice.Generator/Executor.cs	Changed constructor visibility logic to check for abstract types instead of sealed types
Directory.Build.props	Bumped version from 1.3.2 to 1.3.3

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