revert accidental change

Author: mary-georgiou-sonarsource

analyzers/src/SonarAnalyzer.CSharp.Styling/Rules/UseShortName.cs

@@ -37,8 +37,8 @@ public sealed class UseShortName : StylingAnalyzer
             new("SyntaxTree", "SyntaxTree", "Tree"),
             new("SyntaxTrivia", "syntaxTrivia", "trivia"),
             new("SyntaxTrivia", "SyntaxTrivia", "Trivia"),
-            new("Model", "semanticModel", "model"),
-            new("Model", "Model", "Model")
+            new("SemanticModel", "semanticModel", "model"),
+            new("SemanticModel", "SemanticModel", "Model")
         ];
 
     public UseShortName() : base("T0017", "Use short name '{0}'.") { }