Improve code quality

Author: Jack251970

Plugins/Flow.Launcher.Plugin.Explorer/Main.cs

@@ -97,7 +97,7 @@ public string GetTranslatedPluginDescription()
             return Context.API.GetTranslation("plugin_explorer_plugin_description");
         }
 
-        private void FillQuickAccessLinkNames()
+        private static void FillQuickAccessLinkNames()
         {
             // Legacy version does not have names for quick access links, so we fill them with the path name.
             foreach (var link in Settings.QuickAccessLinks)

Plugins/Flow.Launcher.Plugin.Explorer/Views/QuickAccessLinkSettings.xaml.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
+using System.IO;
 using System.Linq;
 using System.Windows;
 using System.Windows.Forms;
@@ -190,13 +191,13 @@ private void SelectPath_OnClick(object commandParameter, RoutedEventArgs e)
     private static ResultType GetResultType(string path)
     {
         // Check if the path is a file or folder
-        if (System.IO.File.Exists(path))
+        if (File.Exists(path))
         {
             return ResultType.File;
         }
-        else if (System.IO.Directory.Exists(path))
+        else if (Directory.Exists(path))
         {
-            if (string.Equals(System.IO.Path.GetPathRoot(path), path, StringComparison.OrdinalIgnoreCase))
+            if (string.Equals(Path.GetPathRoot(path), path, StringComparison.OrdinalIgnoreCase))
             {
                 return ResultType.Volume;
             }