libs: replace libs.toml.dict_to_toml with libs.faults.resolve_faults

libs/faults.py

@@ -0,0 +1,6 @@
+from json import loads, dumps
+
+from bundlewrap.metadata import metadata_to_json
+
+def resolve_faults(dictionary: dict) -> dict:
+    return loads(metadata_to_json(dictionary))

libs/toml.py

@@ -1,19 +0,0 @@
-from tomlkit import document as toml_document
-
-from bundlewrap.utils import Fault
-
-# Copied from bw core, because bw core doesn't support faults
-def dict_to_toml(dict_obj):
-    toml_doc = toml_document()
-    for key, value in sorted(dict_obj.items()):
-        if isinstance(value, tuple):
-            toml_doc[key] = list(value)
-        elif isinstance(value, set):
-            toml_doc[key] = sorted(value)
-        elif isinstance(value, dict):
-            toml_doc[key] = dict_to_toml(value)
-        elif isinstance(value, Fault):
-            toml_doc[key] = str(value)
-        else:
-            toml_doc[key] = value
-    return toml_doc