Fix unix directory seperator issue

Author: Jack251970

Plugins/Flow.Launcher.Plugin.Explorer/Search/Constants.cs

@@ -31,6 +31,8 @@ internal static class Constants
 
         internal const string DefaultContentSearchActionKeyword = "doc:";
 
+        internal const char UnixDirectorySeparator = '/';
+
         internal const char DirectorySeparator = '\\';
 
         internal const string WindowsIndexingOptions = "srchadmin.dll";

Plugins/Flow.Launcher.Plugin.Explorer/Search/DirectoryInfo/DirectoryInfoSearch.cs

@@ -1,4 +1,4 @@
-using Flow.Launcher.Infrastructure.Logger;
+using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Plugin.SharedCommands;
 using System;
 using System.Collections.Generic;
@@ -12,6 +12,9 @@ public static class DirectoryInfoSearch
     {
         internal static IEnumerable<SearchResult> TopLevelDirectorySearch(Query query, string search, CancellationToken token)
         {
+            // if user uses the unix directory separator, we need to convert it to windows directory separator
+            search = search.Replace(Constants.UnixDirectorySeparator, Constants.DirectorySeparator);
+
             var criteria = ConstructSearchCriteria(search);
 
             if (search.LastIndexOf(Constants.AllFilesFolderSearchWildcard) >