## Description
First draft for Import export flow refactor
Steps for refactoring the application import flow to context agnostic
flow
/**
* Step 1: Schema Migration
* Step 2: Validation of context Json
* Step 3: create placeholder objects for internal stuffs
* Step 4: set schema version and other stuffs common misc
* Step 5: get workspace and user with right set of permission
* Step 6: get application specific import entities
* Step 7: get allImportEntities like plugins, datasource, action and
other stuffs
* Step 8: get update page and new action with already created
references.
*/
fixes: https://github.com/appsmithorg/appsmith/issues/29748, #29819 ,
#29820, #29821, #29822
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced comprehensive application import capabilities, allowing
users to import and manage application artifacts easily.
- **Improvements**
- Enhanced artifact management with new functionalities for syncing
client and schema versions, updating artifacts, and permission handling.
- **Documentation**
- Added new interfaces and classes to support the import process,
ensuring clarity in the import service's operations.
- **Refactor**
- Streamlined import services by renaming and updating method signatures
for consistency and improved artifact-centric logic.
- **Bug Fixes**
- Addressed issues in the import logic to cater to different artifact
types, ensuring a smoother import experience.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
20d6dfb591