## Description
Updating fixtures to replace executeOnLoad with reactiveActions
Fixes [#39833](https://github.com/appsmithorg/appsmith/issues/39833)
## Automation
/ok-to-test tags=""
### 🔍 Cypress test results
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## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [ ] No
## Description
- Modified mock api url and refactored specs accordingly
**Flaky fixes below:**
- Listv2_BasicChildWidgetInteraction_spec.js
- QueryPane/Mongo_Spec.js
- CreateNewApp_spec.js
- Enabling S3_1_spec - upload case back
## Type of change
- Flaky test fix
## How Has This Been Tested?
- Cypress test runs
## Checklist:
### 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
---------
Co-authored-by: Aishwarya UR <aishwarya@appsmith.com>
1. Fixed on page load actions getting called multiple times.
2. Now Evaluation only happens once we complete the fetching of the page's all entities including js objects and actions, this avoids cases where actions are not defined when ran.
Co-authored-by: Rishabh-Rathod <rishabh.rathod@appsmith.com>
