fix NameError in dialog.py, it had 'dialog.' extra

resources/scripts/lazpaint/dialog.py

@@ -21,7 +21,7 @@ def translate_text(text) -> str:
   return command.send('TranslateText?', Text=text)
 
 def translate_dict(texts) -> dict:
-  return dict(zip(texts, dialog.translate_text(texts)))
+  return dict(zip(texts, translate_text(texts)))
 
 def get_language() -> str:
   return command.send('TranslateGetLanguage?')