fix: fetch series name from provider when scanning

Avoid 'Series name cannot be empty' error when a Serie is loaded
from a serie_file with an empty name by fetching the title from the
provider after year-fetching in the scan() method.

fix #?

src/core/SerieScanner.py

@@ -454,6 +454,24 @@ class SerieScanner:
                                         str(e)
                                     )
                         
+                        # Fetch series name from provider if not already set
+                        if not serie.name:
+                            try:
+                                fetched_name = self.loader.get_title(serie.key)
+                                if fetched_name:
+                                    serie.name = fetched_name
+                                    logger.info(
+                                        "Fetched name from provider: %s (name=%s)",
+                                        serie.key,
+                                        serie.name
+                                    )
+                            except Exception as e:
+                                logger.warning(
+                                    "Could not fetch name for %s: %s",
+                                    serie.key,
+                                    str(e)
+                                )
+                        
                         # Delegate the provider to compare local files with
                         # remote metadata, yielding missing episodes per
                         # season. Results are saved back to disk so that both