test: Cypress | IconButton_2_spec.ts flaky fix (#28379)

## Description
**Flaky fixes below:**
- /Widgets/Others/IconButton_2_spec.ts

#### Type of change
- Script fix (non-breaking change which fixes an issue)

## Testing
>
#### How Has This Been Tested?
- [X] Cypress CI runs

## Checklist:
#### QA activity:
- [X] Added `Test Plan Approved` label after Cypress tests were reviewed

app/client/cypress/e2e/Regression/ClientSide/Widgets/Others/IconButton_2_spec.ts

@@ -5,6 +5,7 @@ import {
   entityExplorer,
   propPane,
   draggableWidgets,
+  assertHelper,
 } from "../../../../../support/Objects/ObjectsCore";
 
 describe("Icon Button widget Tests", function () {
@@ -102,10 +103,18 @@ describe("Icon Button widget Tests", function () {
       "onClick",
       "{{navigateTo('www.yahoo.com', {}, 'SAME_WINDOW');}}",
     );
-    deployMode.DeployApp();
+    deployMode.DeployApp(
+      locators._widgetInDeployed(draggableWidgets.ICONBUTTON),
+    );
     agHelper.GetNClick(`${locators._widgetInDeployed("iconbuttonwidget")}`);
     agHelper.AssertURL("yahoo.com");
-    agHelper.BrowserNavigation(-1);
+    // agHelper.BrowserNavigation(-1);
+    cy.window({ timeout: 60000 }).then((win) => {
+      win.history.back();
+    });
+    assertHelper.AssertNetworkResponseData("@viewPage");
+    assertHelper.AssertDocumentReady();
+    agHelper.Sleep(3000); //for view page to complete loading & then navigate back
     deployMode.NavigateBacktoEditor();
   });