## Description
This change is a refactor of widget selection logic. It consolidates all
the business logic to make it easy to maintain. It also improves the
performance a bit.
It touched a lot of features as we heavily rely on this
```
Select one
Select multiple with drag
Select multiple with shift
Select multiple with cmd/ctrl
Selections should be on the same level of hierarchy
Unselect all by clicking on the canvas
Unselect all by pressing esc
Select all with cmd + a
Paste in main container
Paste in another container
Undo
Redo
Modal Selection
Modal child selection
Context switching
cmd click
snipping mode
new widget suggestion
onboarding
```
> Refactor widget selection logic
Fixes#19570
## Type of change
- Refactor
## How Has This Been Tested?
All existing tests should pass
### Test Plan
> Add Testsmith test cases links that relate to this PR
### Issues raised during DP testing
https://github.com/appsmithorg/appsmith/pull/19643#issuecomment-1383570810https://github.com/appsmithorg/appsmith/pull/19643#issuecomment-1383607820https://github.com/appsmithorg/appsmith/pull/19643#issuecomment-1385095478
[Bug bash
issues](https://www.notion.so/appsmith/610aa302f3e146a7b090b7dc6bc63ef9?v=0d277a9b07bf4aac9d717bcaf138c33a)
## Checklist:
### Dev activity
- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] PR is being merged under a feature flag
### QA activity:
- [ ] Test plan has been approved by relevant developers
- [ ] Test plan has been peer reviewed by QA
- [ ] Cypress test cases have been added and approved by either SDET or
manual QA
- [ ] Organized project review call with relevant stakeholders after
Round 1/2 of QA
- [ ] Added Test Plan Approved label after reveiwing all Cypress test
* Implemented code splitting of some files for SAML integration
* Implemented code splitting of some more files for SAML integration
* updated redirect url component
* fixed an import statement
* fixed a unit test
* updated restart banner tooltip logic
* updated an import statement
- [x] Draw to select from outside of the editor.
- [x] Cmd + A to select child widgets inside containers, forms, list, tabs, and modals.
Fixes#5995Fixes#6102
