fix M3U8_CONVERSION extension for StreamingCommunity (#425)

Author: roveroniandrea

.github/.domain/domains.json

@@ -18,10 +18,10 @@
     "time_change": "2025-03-21 12:20:27"
   },
   "guardaserie": {
-    "domain": "shop",
-    "full_url": "https://guardaserietv.shop/",
-    "old_domain": "run",
-    "time_change": "2025-10-28 19:16:50"
+    "domain": "xyz",
+    "full_url": "https://guardaserietv.xyz/",
+    "old_domain": "shop",
+    "time_change": "2025-11-04 17:17:11"
   },
   "streamingwatch": {
     "domain": "org",

StreamingCommunity/Api/Site/streamingcommunity/film.py

@@ -56,7 +56,7 @@ def download_film(select_title: MediaItem) -> str:
         return None
 
     # Define the filename and path for the downloaded film
-    title_name = os_manager.get_sanitize_file(select_title.name, select_title.date) + extension_output
+    title_name = f"{os_manager.get_sanitize_file(select_title.name, select_title.date)}.{extension_output}"
     mp4_path = os.path.join(site_constant.MOVIE_FOLDER, title_name.replace(extension_output, ""))
 
     # Download the film using the m3u8 playlist, and output filename