## Description
This PR enhances the signup success flow to automatically skip the
license page when cloud billing is enabled, providing a smoother
onboarding experience for cloud users.
## Key Changes
### 🚀 New Features
- Added cloud billing detection using `useIsCloudBillingEnabled()` hook
- Implemented automatic license page skipping for cloud billing users
- Enhanced redirect logic with proper async/await handling
### 🔧 Improvements
- Added redirect state management to prevent race conditions
- Improved error handling in redirect flow with try-catch blocks
- Extracted redirect conditions into `shouldAutoRedirect` variable for
better readability
- Added redirect protection to prevent multiple simultaneous redirects
### 🛠️ Technical Details
- Added `isMultiOrgEnabled` flag to signup redirect parameters
- Made `redirectUsingQueryParam` and `onGetStarted` functions async
- Implemented `isRedirecting` state to track redirect status
- Added proper dependency management in useEffect and useCallback hooks
## Impact
- **Cloud billing users** will now bypass the license page automatically
- **Improved UX** with more robust redirect handling and loading states
- **Better performance** by preventing unnecessary redirect attempts
- **Enhanced reliability** with proper error handling and state
management
## Automation
/ok-to-test tags="@tag.Sanity, @tag.Authentication,
@tag.LicenseAndBilling"
### 🔍 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/16167808138>
> Commit: ab4247c9e01d23159f07451f3014f76fa313134e
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=16167808138&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity, @tag.Authentication, @tag.LicenseAndBilling`
> Spec:
> <hr>Wed, 09 Jul 2025 12:00:44 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**
* Improved signup success experience with smarter automatic redirection
based on user status and organization settings.
* Added a loading spinner during redirection for better user feedback.
* **Bug Fixes**
* Prevented multiple redirects from occurring at the same time.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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