lora apply on gpu vs cpu settings option

Signed-off-by: Vladimir Mandic <mandic00@live.com>

modules/modelloader.py

@@ -64,7 +64,8 @@ def download_civit_meta(model_path: str, model_id):
 def download_civit_preview(model_path: str, preview_url: str):
     ext = os.path.splitext(preview_url)[1]
     preview_file = os.path.splitext(model_path)[0] + ext
-    if preview_file.endswith('.mp4'):
+    is_video = preview_file.lower().endswith('.mp4')
+    if is_video:
         shared.log.warning(f'CivitAI download: url="{preview_url}" skip video')
         return ''
     if os.path.exists(preview_file):