## Description
This PR fixes impact of
https://github.com/appsmithorg/appsmith/pull/33993
Refactors visual regression tests to use PageList for page generation;
remove obsolete empty canvas spec and related selectors.
* Removed unncessary:
`cypress/e2e/Regression/ClientSide/OtherUIFeatures/EmptyCanvas_spec.js`
* Fixes
`cypress/e2e/Regression/ClientSide/VisualTests/AppPageLayout_spec.js`
**RCA:**
The [original PR](https://github.com/appsmithorg/appsmith/pull/33993)
catered to removal of empty canvas prompts and visual tests were not run
leading to subsequent failures in the CI for EmptyCanvas_spec &
AppPageLayout_spec.
This PR caters to failing visual tests, while running `@tag.Visual` we
noticed that other (unrelated) visual specs started failing. These new
failures fail in local as well.
Whereas they were not failing in TBP or `@tag.All` runs and `@tag.All`
succeeded for this PR as well.
Fixes https://github.com/appsmithorg/appsmith/issues/33874
_or_
Fixes `Issue URL`
> [!WARNING]
> _If no issue exists, please create an issue first, and check with the
maintainers if the issue is valid._
## Automation
/ok-to-test tags="@tag.All"
### 🔍 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/9413838227>
> Commit: b6d7f6012e0f2c3f3e030ad280354cc3d22f57ad
> Cypress dashboard url: <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=9413838227&attempt=2"
target="_blank">Click here!</a>
<!-- 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
- **Refactor**
- Updated method call for adding a new page in visual regression tests
to improve code clarity and maintainability.
- **Chores**
- Removed unused locators and declarations to clean up the codebase.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: Apeksha Bhosale <7846888+ApekshaBhosale@users.noreply.github.com>
c096bb5e5b