fix: correct test expectation for model provider setting payload

The test was expecting 'provider' but the actual value passed is
'model-provider' from ACCOUNT_SETTING_TAB.MODEL_PROVIDER constant.

web/app/components/datasets/create/index.spec.tsx

@@ -622,7 +622,7 @@ describe('DatasetUpdateForm', () => {
       fireEvent.click(screen.getByTestId('step-two-setting'))
 
       // Assert
-      expect(mockSetShowAccountSettingModal).toHaveBeenCalledWith({ payload: 'provider' })
+      expect(mockSetShowAccountSettingModal).toHaveBeenCalledWith({ payload: 'model-provider' })
     })
 
     it('should update crawl options when onCrawlOptionsChange is called', () => {