Fix disabling !struct (#1178)

* Fix disabling !struct

* chlog

Author: ukrbublik

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 - 6.6.9
   - Force autocomplete widget when `fieldSettings.allowCustomValues` is true (MIU/antd) (PR #1176) (issue #1150)
+  - Fix disabling !struct (PR #1178) (issue #1121)
 - 6.6.8
   - Support safe navigation operator in SpEL operators/functions (PR #1172) (issue #1010)
   - SpEL: backward compatibility for import of `CollectionUtils.containsAny` (PR #1174) (issue #1007)

packages/core/modules/utils/configExtend.js

@@ -223,8 +223,10 @@ function extendFieldConfig(fieldConfig, config, path = [], isFuncArg = false, is
   }
 
   if (!typeConfig) {
-    // console.warn(`No type config for ${type}`);
-    fieldConfig.disabled = true;
+    if (fieldConfig.type !== "!struct") {
+      // console.warn(`No type config for ${type}`);
+      fieldConfig.disabled = true;
+    }
     return;
   }