Handle more error types when opening/saving images with PIL

Decoding/encoding errors sometimes raise an OSError or ValueError.

cartridges/details_dialog.py

@@ -302,7 +302,7 @@ class DetailsDialog(Adw.Dialog):
                 with Image.open(path) as image:
                     if getattr(image, "is_animated", False):
                         new_path = convert_cover(path)
-            except UnidentifiedImageError:
+            except (UnidentifiedImageError, OSError, ValueError):
                 pass
 
             if new_path:

cartridges/utils/save_cover.py

@@ -63,7 +63,7 @@ def convert_cover(
                     if shared.schema.get_boolean("high-quality-images")
                     else shared.TIFF_COMPRESSION,
                 )
-    except UnidentifiedImageError:
+    except (UnidentifiedImageError, OSError, ValueError):
         try:
             Gdk.Texture.new_from_filename(str(cover_path)).save_to_tiff(
                 tmp_path := Gio.File.new_tmp("XXXXXX.tiff")[0].get_path()