fix: Fix undefined section values in datasource card (#23884)

The isNil function only checks for undefined values like strings but not
for objects, hence switching this with isEmpty.

Fixes #23679 

#### Type of change
> Please delete options that are not relevant.
- Bug fix (non-breaking change which fixes an issue)


## Testing
>
#### How Has This Been Tested?
> Please describe the tests that you ran to verify your changes. Also
list any relevant details for your test configuration.
> Delete anything that is not relevant
- [ ] Manual
- [ ] Jest
- [ ] Cypress
>
>
#### Test Plan
> Add Testsmith test cases links that relate to this PR
>
>
#### Issues raised during DP testing
> Link issues raised during DP testing for better visiblity and tracking
(copy link from comments dropped on this PR)
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## 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:
- [ ] [Speedbreak
features](https://github.com/appsmithorg/TestSmith/wiki/Test-plan-implementation#speedbreaker-features-to-consider-for-every-change)
have been covered
- [ ] Test plan covers all impacted features and [areas of
interest](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans/_edit#areas-of-interest)
- [ ] Test plan has been peer reviewed by project stakeholders and other
QA members
- [ ] Manually tested functionality on DP
- [ ] We had an implementation alignment call with stakeholders post QA
Round 2
- [ ] Cypress test cases have been added and approved by SDET/manual QA
- [ ] Added `Test Plan Approved` label after Cypress tests were reviewed
- [ ] Added `Test Plan Approved` label after JUnit tests were reviewed

Co-authored-by: Aishwarya UR <aishwarya@appsmith.com>

app/client/src/pages/Editor/IntegrationEditor/DatasourceCard.tsx

@@ -1,7 +1,7 @@
 import type { Datasource } from "entities/Datasource";
 import { isStoredDatasource, PluginType } from "entities/Action";
 import React, { memo, useCallback, useEffect, useState } from "react";
-import { debounce, isNil } from "lodash";
+import { debounce, isEmpty } from "lodash";
 import { useDispatch, useSelector } from "react-redux";
 import CollapseComponent from "components/utils/CollapseComponent";
 import {
@@ -366,7 +366,7 @@ function DatasourceCard(props: DatasourceCardProps) {
           </ButtonsWrapper>
         </DatasourceCardHeader>
       </DatasourceCardMainBody>
-      {!isNil(currentFormConfig) && (
+      {!isEmpty(currentFormConfig) && (
         <CollapseComponentWrapper
           onClick={(e) => {
             e.stopPropagation();

app/client/src/pages/Editor/SaaSEditor/DatasourceCard.tsx

@@ -1,7 +1,7 @@
 import type { Datasource } from "entities/Datasource";
 import { isStoredDatasource } from "entities/Action";
 import React from "react";
-import { isNil } from "lodash";
+import { isEmpty } from "lodash";
 import { useSelector } from "react-redux";
 import { Colors } from "constants/Colors";
 import { useParams } from "react-router";
@@ -153,7 +153,7 @@ function DatasourceCard(props: DatasourceCardProps) {
           />
         </ButtonsWrapper>
       </DatasourceCardHeader>
-      {!isNil(currentFormConfig) ? (
+      {!isEmpty(currentFormConfig) ? (
         <RenderDatasourceInformation
           config={currentFormConfig[0]}
           datasource={datasource}