changed asset extension mechanism from name to architecture

Author: jonas-hurst

pystac/extensions/ext.py

@@ -406,7 +406,7 @@ def file(self) -> FileExtension[Asset]:
 
     @property
     def mlm(self) -> AssetGeneralMLMExtension[Asset] | AssetDetailedMLMExtension:
-        if "mlm:name" in self.stac_object.extra_fields:
+        if "mlm:architecture" in self.stac_object.extra_fields:
             return AssetDetailedMLMExtension.ext(self.stac_object)
         else:
             return AssetGeneralMLMExtension.ext(self.stac_object)