## Description
This PR introduces several changes
- Added isDeletable flag to widget canvas props
- Modified Property Pane to hide delete buttons for protected widgets
- Enhanced deletion sagas to filter out non-deletable widgets
- Implemented context-specific widget initialization flows, i.e if in
app editor then wait for app initialization else wait for package
PR for https://github.com/appsmithorg/appsmith-ee/pull/6805
## 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/14123255944>
> Commit: 61de5b07f3a94fd8c4e9529f9936d7bbb567f622
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=14123255944&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.All`
> Spec:
> <hr>Fri, 28 Mar 2025 07:47:43 UTC
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [ ] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced support for a new editor package type, expanding available
IDE options.
- Updated widget configuration to include conditional deletion
capabilities, ensuring delete actions appear only for eligible widgets.
- **Refactor**
- Enhanced navigation and initialization flows for a smoother editor
experience.
- Refined multi-widget deletion processes to safeguard against
accidental removals.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->