plugins types FEATURE resolved schema prefix format

Must be used for default values of unions
with leafrefs - on repeated validation
the parsed module would be always required.
Also, support for resolving empty prefixes
(get local module) except for JSON.
diff --git a/src/path.c b/src/path.c
index d84ca00..4d94da4 100644
--- a/src/path.c
+++ b/src/path.c
@@ -412,6 +412,7 @@
             *mod = prev_ctx_node->module;
             break;
         case LY_PREF_XML:
+        case LY_PREF_SCHEMA_RESOLVED:
             /* not really defined */
             LOGINT_RET(ctx);
         }