Edit namespaces function so that it does not retrieve curi_maps unnecessarily

Author: ialarmedalien

linkml_runtime/utils/schemaview.py

@@ -535,9 +535,9 @@ def namespaces(self) -> Namespaces:
         :rtype: Namespaces
         """
         namespaces = Namespaces()
+        for cmap in self.schema.default_curi_maps:
+            namespaces.add_prefixmap(cmap, include_defaults=False)
         for s in self.schema_map.values():
-            for cmap in self.schema.default_curi_maps:
-                namespaces.add_prefixmap(cmap, include_defaults=False)
             for prefix in s.prefixes.values():
                 namespaces[prefix.prefix_prefix] = prefix.prefix_reference
         return namespaces