Fix ClientCapabilities and related types

Author: Kapil Borle

src/PowerShellEditorServices.Protocol/LanguageServer/DynamicRegistrationCapability.cs

@@ -8,6 +8,6 @@ public class DynamicRegistrationCapability
         /// <summary>
         /// Whether the capability supports dynamic registration.
         /// </summary>
-        public bool DynamicRegistration { get; set; }
+        public bool? DynamicRegistration { get; set; }
     }
 }

src/PowerShellEditorServices.Protocol/LanguageServer/TextDocumentClientCapabilities.cs

@@ -87,7 +87,7 @@ public class CompletionCapabilities : DynamicRegistrationCapability
         /// The client supports the following `CompletionItem` specific capabilities.
         /// </summary>
         /// <returns></returns>
-        CompletionItemCapabilities CompletionItem { get; set; }
+        public CompletionItemCapabilities CompletionItem { get; set; }
     }
 
     /// <summary>
@@ -103,7 +103,7 @@ public class CompletionItemCapabilities
         /// the end of the snippet. Placeholders with equal identifiers are linked,
         /// that is typing in one will update others too.
         /// </summary>
-        bool SnippetSupport { get; set; }
+        public bool? SnippetSupport { get; set; }
     }
 
     /// <summary>
@@ -114,17 +114,17 @@ public class SynchronizationCapabilities : DynamicRegistrationCapability
         /// <summary>
         /// The client supports sending will save notifications.
         /// </summary>
-        bool WillSave { get; set; }
+        public bool? WillSave { get; set; }
 
         /// <summary>
         /// The client supports sending a will save request and waits for a response
         /// providing text edits which will be applied to the document before it is save.
         /// </summary>
-        bool WillSaveWaitUntil { get; set; }
+        public bool? WillSaveWaitUntil { get; set; }
 
         /// <summary>
         /// The client supports did save notifications.
         /// </summary>
-        bool DidSave { get; set; }
+        public bool? DidSave { get; set; }
     }
 }

src/PowerShellEditorServices.Protocol/LanguageServer/WorkspaceClientCapabilities.cs

@@ -6,7 +6,7 @@ public class WorkspaceClientCapabilities
         /// The client supports applying batch edits to the workspace by
         /// by supporting the request `workspace/applyEdit'
         /// /// </summary>
-        bool ApplyEdit { get; set; }
+        bool? ApplyEdit { get; set; }
 
         /// <summary>
         /// Capabilities specific to `WorkspaceEdit`.
@@ -42,6 +42,6 @@ public class WorkspaceEditCapabilities
         /// <summary>
         /// The client supports versioned document changes in `WorkspaceEdit`
         /// </summary>
-        bool DocumentChanges { get; set; }
+        bool? DocumentChanges { get; set; }
     }
 }