Merge pull request #2740 from Elv13/more_notif_fixes

Fix 2 more notification issues

lib/naughty/init.lua

@@ -9,6 +9,7 @@ if dbus then
     naughty.dbus = require("naughty.dbus")
 end
 
+naughty.action = require("naughty.action")
 naughty.layout = require("naughty.layout")
 naughty.notification = require("naughty.notification")
 

lib/naughty/layout/legacy.lua

@@ -400,8 +400,8 @@ function naughty.default_notification_handler(notification, args)
             local action_width = w + 2 * margin
 
             actionmarginbox:buttons(gtable.join(
-                button({ }, 1, function() action:trigger() end),
-                button({ }, 3, function() action:trigger() end)
+                button({ }, 1, function() action:invoke() end),
+                button({ }, 3, function() action:invoke() end)
             ))
             actionslayout:add(actionmarginbox)