Use autodetection for component validation

Fixes rb#507
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/models/subproject.py

@@ -1185,7 +1185,7 @@ class SubProject(models.Model, PercentMixin, URLMixin, PathMixin):
         dir_path = self.get_path()
         for match in matches:
             try:
-                parsed = self.file_format_cls.load(
+                parsed = self.file_format_cls.parse(
                     os.path.join(dir_path, match),
                 )
                 if not self.file_format_cls.is_valid(parsed):