fix(sort-field): the value of the scopeKey attribute is null

packages/database/src/fields/sort-field.ts

@@ -21,7 +21,10 @@ export class SortField extends Field {
     const where = {};
 
     if (scopeKey) {
-      where[scopeKey] = instance.get(scopeKey);
+      const value = instance.get(scopeKey);
+      if (value !== undefined && value !== null) {
+        where[scopeKey] = value;
+      }
     }
 
     await sortFieldMutex.runExclusive(async () => {

packages/plugin-collection-manager/src/collections/fields.ts

@@ -6,9 +6,8 @@ export default {
   model: 'FieldModel',
   timestamps: false,
   sortable: {
-    type: 'sort',
     name: 'sort',
-    scope: ['parentKey'],
+    scopeKey: 'parentKey',
   },
   fields: [
     {