Fix ModuleNotFoundError when using pylint_django (pylint-dev#7940)

Ensure that the import path is fixed up before calling
._astroid_module_checker() so that the pylint_django plugin can
successfully import the Django settings module when its checkers are
initialized.

Closes pylint-dev#7938

doc/whatsnew/fragments/7938.bugfix

@@ -0,0 +1,3 @@
+Fixes a ``ModuleNotFound`` exception when running pylint on a Django project with the ``pylint_django`` plugin enabled.
+
+Closes #7938

pylint/lint/pylinter.py

@@ -697,8 +697,8 @@ def check(self, files_or_modules: Sequence[str] | str) -> None:
                 data = None
 
         # The contextmanager also opens all checkers and sets up the PyLinter class
-        with self._astroid_module_checker() as check_astroid_module:
-            with fix_import_path(files_or_modules):
+        with fix_import_path(files_or_modules):
+            with self._astroid_module_checker() as check_astroid_module:
                 # 4) Get the AST for each FileItem
                 ast_per_fileitem = self._get_asts(fileitems, data)