Fixed #34769 -- Fixed key transforms on Oracle 21c+.

Oracle 21c introduced support for primivites in JSON fields that
caused changes in handling them by JSON_QUERY/JSON_VALUE functions.

django/db/models/fields/json.py

@@ -352,10 +352,13 @@ def as_mysql(self, compiler, connection):
     def as_oracle(self, compiler, connection):
         lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
         json_path = compile_json_path(key_transforms)
-        return (
-            "COALESCE(JSON_QUERY(%s, '%s'), JSON_VALUE(%s, '%s'))"
-            % ((lhs, json_path) * 2)
-        ), tuple(params) * 2
+        if connection.features.supports_primitives_in_json_field:
+            sql = (
+                "COALESCE(JSON_VALUE(%s, '%s'), JSON_QUERY(%s, '%s' DISALLOW SCALARS))"
+            )
+        else:
+            sql = "COALESCE(JSON_QUERY(%s, '%s'), JSON_VALUE(%s, '%s'))"
+        return sql % ((lhs, json_path) * 2), tuple(params) * 2
 
     def as_postgresql(self, compiler, connection):
         lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)