Fix typos

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: Jack251970

Flow.Launcher.Infrastructure/StringMatcher.cs

@@ -246,8 +246,8 @@ private static string RemoveAccents(string value)
 
             foreach (char c in normalized)
             {
-                var unicodedCategory = Char.GetUnicodeCategory(c);
-                if (unicodedCategory != UnicodeCategory.NonSpacingMark)
+                var unicodeCategory = char.GetUnicodeCategory(c);
+                if (unicodeCategory != UnicodeCategory.NonSpacingMark)
                     sb.Append(c);
             }