fix: Broken UI on JS module instance in the side by side view mode (#37909)

## Description

Fixing the Broken UI on JS module instance in the side by side view
mode.

Fixes #

## Automation

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

### 🔍 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/12135280169>
> Commit: bc011f06fa69836315e61986ce28d6d1ef88e0e5
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=12135280169&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.IDE`
> Spec:
> <hr>Tue, 03 Dec 2024 08:32:26 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**
- Enhanced flexibility of the dropdown selector in the JS Function Run
component by removing the minimum width constraint.

- **Bug Fixes**
- Adjusted layout to improve the visual adaptability of the dropdown
selector based on its content.

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

app/client/src/pages/Editor/JSEditor/JSEditorToolbar/components/old/JSFunctionRun.tsx

@@ -25,10 +25,6 @@ export interface DropdownWithCTAWrapperProps {
 const DropdownWithCTAWrapper = styled.div<DropdownWithCTAWrapperProps>`
   display: flex;
   gap: var(--ads-v2-spaces-3);
-
-  .rc-select-selector {
-    min-width: unset;
-  }
 `;
 
 const OptionWrapper = styled.div`