Applied codestyle to all .cs files

src/NadekoBot/Common/OptionsParser.cs

@@ -1,4 +1,4 @@
-#nullable disable
+#nullable disable
 using CommandLine;
 
 namespace NadekoBot.Common;
@@ -13,13 +13,12 @@ public static class OptionsParser
         where T : INadekoCommandOptions
     {
         using var p = new Parser(x =>
-            {
-                x.HelpWriter = null;
-            }
-        );
+        {
+            x.HelpWriter = null;
+        });
         var res = p.ParseArguments<T>(args);
         options = res.MapResult(x => x, x => options);
         options.NormalizeOptions();
         return (options, res.Tag == ParserResultType.Parsed);
     }
-}
+}