feat - Support 'Ignore Case' in TryParseFast

[tiantian0531]

According to #121, the source generator code was modified to support the use of string.Compare as expected by the user.

Generator result:

Source code:

Unit test:

BenchMark result:

[Copilot]

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (2)

test/Console.Test.Benchmark/Program.cs:168

• [nitpick] The method name 'Parse_CaseInsensitive_Ordinal' suggests a case-insensitive parse, but using StringComparison.Ordinal is case-sensitive. Consider renaming the method or adjusting the comparison parameter for clarity.

UserTypeEnumExtensions.TryParseFast("men", out _, StringComparison.Ordinal);

Supernova.Enum.Generators/EnumSourceGenerator.cs:452

• [nitpick] The parameter name 'states' is unclear in this context; consider renaming it to 'input' or 'value' to better reflect its purpose.

public static bool {SourceGeneratorHelper.ExtensionMethodNameTryParse}(string states, out {symbol.FullName()} result,StringComparison comparisonType)