fix: patch enabled is null

Author: JusterZhu

src/c#/GeneralUpdate.Core/GeneralUpdateBootstrap.cs

@@ -53,7 +53,9 @@ public GeneralUpdateBootstrap()
                 ReportUrl = processInfo.ReportUrl,
                 BackupDirectory = processInfo.BackupDirectory,
                 Scheme = processInfo.Scheme,
-                Token = processInfo.Token
+                Token = processInfo.Token,
+                DriveEnabled = GetOption(UpdateOption.Drive) ?? false,
+                PatchEnabled = GetOption(UpdateOption.Patch) ?? true
             };
         }