feat: duplicate doc moved from frontend to backend concern (#5342)

BREAKING CHANGE: collection.admin.hooks.beforeDuplicate removed and instead should be handled using field beforeDuplicate hooks which take the full field hook arguments.

* feat: duplicate doc moved from frontend to backend concern

* feat: default beforeDuplicate hook functions on unique fields

* docs: beforeDuplicate field hook

* test: duplicate doc local api

* chore: fix build errors

* chore: add access.create call to duplicate operation

* chore: perfectionist reorder imports

test/fields/int.spec.ts

@@ -619,6 +619,23 @@ describe('Fields', () => {
 
       expect(result.id).toBeDefined()
     })
+
+    it('should duplicate with unique fields', async () => {
+      const data = {
+        text: 'a',
+      }
+      const doc = await payload.create({
+        collection: 'indexed-fields',
+        data,
+      })
+      const result = await payload.duplicate({
+        collection: 'indexed-fields',
+        id: doc.id,
+      })
+
+      expect(result.id).not.toEqual(doc.id)
+      expect(result.uniqueRequiredText).toStrictEqual('uniqueRequired - Copy')
+    })
   })
 
   describe('array', () => {