fix: Fix copy issue in embedsetting spec (#38590)

## Description
RCA: Found the copy the clipboard is not working in chrome. Have enabled
spec specific permission for copy and the store the cypress variable in
local variable to get firm run results.


Fixes #
https://app.zenhub.com/workspaces/qa-63316faf86bb2e170ed2e46b/issues/gh/appsmithorg/appsmith/38589

## Automation

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

### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results  -->
> [!TIP]
> 🟢 🟢 🟢 All cypress tests have passed! 🎉 🎉 🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/12740837386>
> Commit: e1903db
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=12740837386&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Settings`
> Spec:
> <hr>Mon, 13 Jan 2025 05:11:28 UTC
<!-- end of auto-generated comment: Cypress test results  -->


## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No


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

- **Tests**
	- Updated clipboard handling in end-to-end testing
- Improved clipboard permission and content retrieval for test scenarios
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

app/client/cypress/e2e/Regression/ClientSide/EmbedSettings/EmbedSettings_spec.js

@@ -18,6 +18,8 @@ describe("Embed settings options", { tags: ["@tag.Settings"] }, function () {
     );
   };
 
+  let clipboardData;
+
   function ValidateEditModeSetting(setting) {
     _.deployMode.NavigateBacktoEditor();
     _.embedSettings.OpenEmbedSettings();
@@ -31,6 +33,7 @@ describe("Embed settings options", { tags: ["@tag.Settings"] }, function () {
   }
 
   before(() => {
+    _.agHelper.GiveChromeCopyPermission();
     _.homePage.NavigateToHome();
     _.homePage.CreateNewApplication();
     _.entityExplorer.DragDropWidgetNVerify(_.draggableWidgets.IFRAME);
@@ -48,9 +51,22 @@ describe("Embed settings options", { tags: ["@tag.Settings"] }, function () {
       .click()
       .wait(1000);
     _.agHelper.ClickButton("Copy application url");
+
     cy.window().then((win) => {
-      cy.stub(win.navigator.clipboard, "writeText").as("deployUrl").resolves();
+      new Cypress.Promise((resolve, reject) => {
+        win.navigator.clipboard.readText().then(resolve).catch(reject);
+      }).then((text) => {
+        clipboardData = text; // Store the clipboard content in a variable
+        cy.log(`Clipboard Content: ${clipboardData}`); // Log clipboard content
+        expect(clipboardData).to.equal("Expected clipboard text"); // Add assertions if needed
+      });
     });
+
+    // Log clipboard data after it's been set
+    cy.then(() => {
+      cy.log(`Stored Clipboard Data: ${clipboardData}`);
+    });
+
     cy.enablePublicAccess();
     cy.wait(8000); //adding wait time for iframe to load fully!
     _.agHelper.RefreshPage();
@@ -67,10 +83,8 @@ describe("Embed settings options", { tags: ["@tag.Settings"] }, function () {
     cy.get(adminSettings.saveButton).click();
     cy.waitForServerRestart();
     _.agHelper.Sleep(2000);
-    cy.get("@deployUrl").then((depUrl) => {
-      cy.log("deployUrl is " + depUrl);
-      cy.visit(depUrl, { timeout: 60000 });
-    });
+
+    cy.visit(clipboardData, { timeout: 60000 });
     getIframeBody().contains("Submit").should("exist");
     ValidateEditModeSetting(_.embedSettings.locators._restrictedText);
     // });
@@ -84,10 +98,7 @@ describe("Embed settings options", { tags: ["@tag.Settings"] }, function () {
     cy.get(adminSettings.saveButton).click();
     cy.waitForServerRestart();
     _.agHelper.Sleep(2000);
-    cy.get("@deployUrl").then((depUrl) => {
-      cy.log("deployUrl is " + depUrl);
-      cy.visit(depUrl, { timeout: 60000 });
-    });
+    cy.visit(clipboardData, { timeout: 60000 });
     getIframeBody().contains("Submit").should("exist");
     ValidateEditModeSetting(_.embedSettings.locators._allowAllText);
     // });
@@ -98,13 +109,11 @@ describe("Embed settings options", { tags: ["@tag.Settings"] }, function () {
     cy.get(".t--admin-settings-APPSMITH_ALLOWED_FRAME_ANCESTORS").within(() => {
       cy.get("input").last().click();
     });
+
     cy.get(adminSettings.saveButton).click();
     cy.waitForServerRestart();
     _.agHelper.Sleep(2000);
-    cy.get("@deployUrl").then((depUrl) => {
-      cy.log("deployUrl is " + depUrl);
-      cy.visit(depUrl, { timeout: 60000 });
-    });
+    cy.visit(clipboardData, { timeout: 60000 });
     getIframeBody().contains("Submit").should("not.exist");
 
     ValidateEditModeSetting(_.embedSettings.locators._disabledText);