Create missing directories for dictionary files

Updated InterjectionsRepository to check if the dictionary directory exists before attempting to save files. If the directory does not exist, it will now be created automatically. This change prevents potential errors during file saving operations.

Signed-off-by: Ivandro Jao <Ivandrofly@gmail.com>

src/libse/Common/InterjectionsRepository.cs

@@ -87,6 +87,11 @@ namespace Nikse.SubtitleEdit.Core.Common
                 }
             }
 
+            if (!Directory.Exists(Configuration.DictionariesDirectory))
+            {
+                Directory.CreateDirectory(Configuration.DictionariesDirectory);
+            }
+
             var fullFileName = Path.Combine(Configuration.DictionariesDirectory, userFileName);
             xmlDocument.Save(fullFileName);
         }