Fix test failures

The tests were failing because the LanguageServerSettingsWrapper class was not gettings initialized propertly in LanguageServerTests.SendConfigurationRequest method.

Author: Kapil Borle

src/PowerShellEditorServices.Protocol/Server/LanguageServerSettings.cs

@@ -22,6 +22,7 @@ public class LanguageServerSettings
         public LanguageServerSettings()
         {
             this.ScriptAnalysis = new ScriptAnalysisSettings();
+            this.CodeFormatting = new CodeFormattingSettings();
         }
 
         public void Update(

test/PowerShellEditorServices.Test.Host/LanguageServerTests.cs

@@ -879,7 +879,8 @@ await this.languageServiceClient.SendEvent(
                             ScriptAnalysis = new ScriptAnalysisSettings
                             {
                                 Enable = false
-                            }
+                            },
+                            CodeFormatting = new CodeFormattingSettings()
                         }
                     }
                 });