Avoid some redundant list allocations - #4963

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Dereference of a possibly null reference.

Possible null reference argument for parameter 'text' in 'TypeSyntax SyntaxFactory.ParseTypeName(string text, int offset = 0, ParseOptions? options = null, bool consumeFullText = true)'.

Possible null reference argument for parameter 'text' in 'AttributeArgumentListSyntax? SyntaxFactory.ParseAttributeArgumentList(string text, int offset = 0, ParseOptions? options = null, bool consumeFullText = true)'.

Possible null reference argument for parameter 'text' in 'TypeSyntax SyntaxFactory.ParseTypeName(string text, int offset = 0, ParseOptions? options = null, bool consumeFullText = true)'.

Possible null reference argument for parameter 'text' in 'SyntaxTrivia SyntaxFactory.Comment(string text)'.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'originalRoot' in 'CompilationUnitSyntax BaseMigrationCodeFixProvider.NormalizeLineEndings(CompilationUnitSyntax compilationUnit, SyntaxNode originalRoot)'.

Possible null reference argument for parameter 'actualExpression' in 'ExpressionStatementSyntax NUnitExpectedResultRewriter.CreateAssertStatement(ExpressionSyntax actualExpression)'.

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

Analyzer release file 'AnalyzerReleases.Shipped.md' has a missing or invalid release header '#### Test Method and Structure Rules' (https://github.com/dotnet/roslyn-analyzers/blob/main/src/Microsoft.CodeAnalysis.Analyzers/ReleaseTrackingAnalyzers.Help.md)

Possible null reference argument for parameter 'text' in 'AttributeArgumentListSyntax? SyntaxFactory.ParseAttributeArgumentList(string text, int offset = 0, ParseOptions? options = null, bool consumeFullText = true)'.

Possible null reference argument for parameter 'text' in 'TypeSyntax SyntaxFactory.ParseTypeName(string text, int offset = 0, ParseOptions? options = null, bool consumeFullText = true)'.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'actualExpression' in 'ExpressionStatementSyntax NUnitExpectedResultRewriter.CreateAssertStatement(ExpressionSyntax actualExpression)'.

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

Possible null reference argument for parameter 'originalRoot' in 'CompilationUnitSyntax BaseMigrationCodeFixProvider.NormalizeLineEndings(CompilationUnitSyntax compilationUnit, SyntaxNode originalRoot)'.

Possible null reference argument for parameter 'text' in 'SyntaxTrivia SyntaxFactory.Comment(string text)'.

Analyzer release file 'AnalyzerReleases.Shipped.md' has a missing or invalid release header '#### Test Method and Structure Rules' (https://github.com/dotnet/roslyn-analyzers/blob/main/src/Microsoft.CodeAnalysis.Analyzers/ReleaseTrackingAnalyzers.Help.md)

Enable analyzer release tracking for the analyzer project containing rule 'TUnit0052' (https://github.com/dotnet/roslyn-analyzers/blob/main/src/Microsoft.CodeAnalysis.Analyzers/ReleaseTrackingAnalyzers.Help.md)