Order plugins by priority and ensure uniqueness

Changed plugin priority in MediaInfoViewer to int.MinValue. Updated ViewerWindow.Actions to display more menu items from plugins in order of priority and to avoid duplicate plugins by grouping by plugin name.

Author: emako

QuickLook.Plugin/QuickLook.Plugin.MediaInfoViewer/Plugin.cs

@@ -32,7 +32,7 @@ public partial class Plugin : IViewer, IMoreMenuExtended
 {
     private TextViewerPanel _tvp;
 
-    public int Priority => 0;
+    public int Priority => int.MinValue;
 
     public IEnumerable<IMenuItem> MenuItems => GetMenuItems();
 

QuickLook/ViewerWindow.Actions.cs

@@ -203,9 +203,12 @@ internal void BeginShow(IViewer matchedPlugin, string path,
 
         // Initial the more menu
         ClearMoreMenuUnpin();
-        foreach (var plugin in PluginManager.GetInstance().LoadedPlugins)
+        foreach (var plugin in
+            PluginManager.GetInstance().LoadedPlugins
+                .GroupBy(x => x.ToString()).Select(g => g.First()) // DistinctBy plugin name
+                .OrderBy(p => p.Priority)) // OrderBy plugin priority
         {
-            if (plugin == Plugin)
+            if (plugin.ToString() == Plugin.ToString())
             {
                 if (Plugin is IMoreMenu moreMenu && moreMenu.MenuItems is not null)
                 {