ci: Minor update for edge case (#38295)

## Description
Handle one minor edge case.


Fixes #`Issue Number`  
_or_  
Fixes `Issue URL`
> [!WARNING]  
> _If no issue exists, please create an issue first, and check with the
maintainers if the issue is valid._

## Automation

/ok-to-test tags="@tag.Sanity"

### 🔍 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/12431317027>
> Commit: 2095f54
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=12431317027&attempt=2"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity`
> Spec:
> <hr>Fri, 20 Dec 2024 14:00:30 UTC
<!-- end of auto-generated comment: Cypress test results  -->


## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Introduced a `run_count` parameter for enhanced control over Cypress
test execution.
  
- **Bug Fixes**
- Improved robustness in checking for null or empty values in the
`specs_to_run` input.

- **Chores**
- Refined logic for rerunning tests based on previous run results and
clarified handling of snapshot updates.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

.github/workflows/ci-test-limited-with-count.yml

@@ -141,7 +141,7 @@ jobs:
 
       # Get specs to run
       - name: Get specs to run
-        if: ${{ (inputs.specs_to_run == '' || inputs.specs_to_run == null) && steps.run_result.outputs.run_result != 'success' && steps.run_result.outputs.run_result != 'failedtest' }} 
+        if: ${{ (inputs.specs_to_run == '' || inputs.specs_to_run == null || !inputs.specs_to_run) && steps.run_result.outputs.run_result != 'success' && steps.run_result.outputs.run_result != 'failedtest' }}
         run: |
           specs_to_run=""
           while IFS= read -r line