Update contextual generator menu for "Generate Protected Declarations" settings

Now:
If "Generate Protected Declarations" is true:
![](http://service.crazypanda.ru/v/clip2net/i/P/AkA7SNH0NU.png)
Result:
![](http://service.crazypanda.ru/v/clip2net/i/D/eZcoXeBGrV.png)

Result after fix AS3:
![](http://service.crazypanda.ru/v/clip2net/W/d/hmSYnFy9qd.png)

Result after fix Haxe:
![](http://service.crazypanda.ru/v/clip2net/6/4/nlEsSU9BCk.png)