Fixes#33982
/ok-to-test tags="@tag.Anvil"
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/9952206667>
> Commit: d70ec63edc6cbc9a760c0c1471f9f4249557ee2f
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=9952206667&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Anvil`
> Spec:
> <hr>Tue, 16 Jul 2024 07:23:09 UTC
<!-- end of auto-generated comment: Cypress test results -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced tests for paste functionality in the Anvil editor, covering
various scenarios to ensure correct behavior when pasting widgets.
- **Improvement**
- Enhanced the paste function in Anvil editor to skip processing when no
copied widgets are present.
- **Tests**
- Added comprehensive test cases to verify the paste functionality,
including drag-and-drop, keyboard shortcuts, and validation of widget
placement and attributes.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: Pawan Kumar <pawankumar@Pawans-MacBook-Pro-2.local>