Fix #6171

[Naofal-Helal]

The issue

packages are not sorted when installing with extras.

ref #6171

The fix

Updating the toml table by body index rather than dict key seems to fix the issue:

diff --git a/pipenv/utils/toml.py b/pipenv/utils/toml.py
index 1eec3fed..1f69de45 100644
--- a/pipenv/utils/toml.py
+++ b/pipenv/utils/toml.py
@@ -44,7 +44,7 @@ def convert_toml_outline_tables(parsed, project):
             body = section._internal_container._body
         else:
             body = section._body
-        for key, value in body:
+        for index, (key, value) in enumerate(body):
             if not key:
                 continue
             if hasattr(value, "keys") and not isinstance(
@@ -52,7 +52,7 @@ def convert_toml_outline_tables(parsed, project):
             ):
                 table = tomlkit.inline_table()
                 table.update(value.value)
-                result[key.key] = table
+                result.value._body[index] = (key, table.value)
         return result

The checklist

• Associated issue
• A news fragment in the news/ directory to describe this fix with the extension .bugfix.rst, .feature.rst, .behavior.rst, .doc.rst. .vendor.rst. or .trivial.rst (this will appear in the release changelog). Use semantic line breaks and name the file after the issue number or the PR #.