Fix some more bugs related to the new icon implementation

awesome/src/modules/notification-center/init.lua

@@ -368,8 +368,7 @@ return function(s)
     end
   )
 
-  Hover_signal(clear_all_widget.margin3.background4, Theme_config.notification_center.clear_all_button.bg,
-    Theme_config.notification_center.clear_all_button.fg)
+  Hover_signal(clear_all_widget.margin3.background4)
   --#endregion
 
 end

awesome/src/modules/notification-center/notification_list.lua

@@ -82,6 +82,7 @@ function nl.create_notification(n)
         },
         id = "background",
         fg = Theme_config.notification_center.notification_list.close_color,
+        bg = Theme_config.notification_center.notification_list.close_bg,
         widget = wibox.container.background
       },
       strategy = "exact",
@@ -233,8 +234,7 @@ function nl.create_notification(n)
     end
   )
 
-  Hover_signal(close_widget.const.background, nil,
-    Theme_config.notification_center.notification_list.close_color)
+  Hover_signal(close_widget.const.background)
 
   notification:connect_signal(
     "mouse::enter",

awesome/src/modules/notification-center/song_info.lua

@@ -394,8 +394,6 @@ return function(s)
       function(stdout)
         -- Only fetch info if the track changed or if the title/artist is empty
         if skip_check or (not stdout:match(trackid)) or (not stdout:match(artist)) or (not stdout:match(title)) then
-          update_loop()
-          update_shuffle()
           -- Get the song title
           awful.spawn.easy_async_with_shell(
             "playerctl metadata xesam:title",