Bug 2295 - Comment command always succeeds

I had it set to always fail, with result that macro stopped at that point.

src/commands/HelpCommand.h

@@ -55,7 +55,7 @@ public:
    bool DefineParams( ShuttleParams & S ) override;
    void PopulateOrExchange(ShuttleGui & S) override;
    bool Apply(const CommandContext & context) override {
-      return false;
+      return true;
    };
    // AudacityCommand overrides
    wxString ManualPage() override {return wxT("Extra_Menu:_Scriptables_II#comment");};