chore: fix ListV2_PageNo_PageSize_spec flakiness (#31979)

## Automation

/ok-to-test tags="@tag.List"

### 🔍 Cypress test results
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> [!IMPORTANT]  
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/8385766733>
> Commit: `d9a13cf051614a9a68c38624bcaa031f2014df6b`
> Cypress dashboard url: <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=8385766733&attempt=2"
target="_blank">Click here!</a>
> All cypress tests have passed 🎉🎉🎉

<!-- end of auto-generated comment: Cypress test results  -->




<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Tests**
- Updated how data is loaded in tests for ListV2 widget to enhance
testing efficiency.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

app/client/cypress/e2e/Regression/ClientSide/Widgets/ListV2/ListV2_PageNo_PageSize_spec.js

@@ -2,7 +2,6 @@ import EditorNavigation, {
   EntityType,
 } from "../../../../../support/Pages/EditorNavigation";
 
-const dslWithServerSide = require("../../../../../fixtures/Listv2/listWithServerSideData.json");
 const commonlocators = require("../../../../../locators/commonlocators.json");
 const queryLocators = require("../../../../../locators/QueryEditor.json");
 
@@ -161,7 +160,7 @@ describe(
     });
 
     it("3. should reset page no if higher than max when switched from server side to client side", () => {
-      cy.addDsl(dslWithServerSide);
+      _.agHelper.AddDsl("Listv2/listWithServerSideData");
       // Open Datasource editor
       cy.wait(2000);
       _.dataSources.CreateDataSource("Postgres");