Apply suggestions from code review

Co-Authored-By: Marius Ungureanu <[email protected]>

Author: avodovnik

main/src/core/MonoDevelop.Ide/MonoDevelop.Components/ContextMenuExtensionsMac.cs

@@ -139,12 +139,12 @@ public static void ShowContextMenu (NSView parent, int x, int y, NSMenu menu, bo
 												null, 0, 0, 0);
 
 				// the following lines are here to dianose & fix VSTS 1026106 - we were getting
-				// a SigSegv from here and it is likely caused by NSEven being null, however
+				// a SigSegv from here and it is likely caused by NSEvent being null, however
 				// it's worth leaving Debug checks in just to be on the safe side
 				if (tmp_event == null) {
 					// since this is often called outside of a try/catch loop, we'll just
 					// log an error and not throw the exception
-					LoggingService.LogInternalError (new ArgumentNullException ("tmp_event"));
+					LoggingService.LogInternalError (new ArgumentNullException (nameof(tmp_event)));
 					return;
 				}
 
@@ -320,4 +320,4 @@ void MenuWillHighlightItem (NSMenu menu, NSMenuItem willHighlightItem)
 		}
 	}
 	#endif
-}
+}