chore: update tags for key value widget (#39024)

/ok-to-test tags="@tag.Anvil"
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Refactor**
- Updated the key-value widget’s categorization so it now appears as a
display element rather than as an input element, aligning its grouping
with its intended presentation without affecting its core functionality.

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

<!-- This is an auto-generated comment: Cypress test results  -->
> [!TIP]
> 🟢 🟢 🟢 All cypress tests have passed! 🎉 🎉 🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/13151795021>
> Commit: 03ee20f22198dce282599b16d3c3ab5859c7ff2e
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=13151795021&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Anvil`
> Spec:
> <hr>Wed, 05 Feb 2025 07:13:07 UTC
<!-- end of auto-generated comment: Cypress test results  -->

app/client/src/modules/ui-builder/ui/wds/WDSKeyValueWidget/widget/index.tsx

@@ -10,7 +10,7 @@ class WDSKeyValueWidget extends WDSInputWidget {
     return {
       ...super.getConfig(),
       displayOrder: undefined,
-      tags: [WIDGET_TAGS.INPUTS],
+      tags: [WIDGET_TAGS.DISPLAY],
       name: "KeyValue",
     };
   }