count FrameContainer padding into menu title bar size

frontend/ui/menu.lua

@@ -267,6 +267,9 @@ function Menu:init()
 		dimen = {w = self.dimen.w},
 		self.menu_title,
 	}
+	if not self.is_borderless then
+		self.title_bar.dimen.w = self.title_bar.dimen.w - 14
+	end
 	-- group for items
 	self.item_group = VerticalGroup:new{}
 		self.page_info = TextWidget:new{

frontend/ui/reader/readermenu.lua

@@ -80,8 +80,8 @@ function ReaderMenu:onShowMenu()
 	end
 
 	local menu_container = CenterContainer:new{
-		main_menu,
 		dimen = Screen:getSize(),
+		main_menu,
 	}
 	main_menu.close_callback = function () 
 		UIManager:close(menu_container)