fix(web): enable JSON_OBJECT type support in console UI

[tomerqodo]

Benchmark PR from agentic-review-benchmarks#2

[sentry]

Bug: The function handleJSONSchemaChange incorrectly returns the capitalized boolean True instead of true, which will cause a ReferenceError because True is not defined.
_{Severity: CRITICAL}

Suggested Fix

In the handleJSONSchemaChange function, replace the capitalized boolean literal True with the correct lowercase JavaScript boolean literal true.

Prompt for AI Agent

Review the code at the location below. A potential bug has been identified by an AI
agent.
Verify if this is a real issue. If it is, propose a fix; if not, explain why it's not
valid.

Location: web/app/components/app/configuration/config-var/config-modal/index.tsx#L139

Potential issue: In the `handleJSONSchemaChange` function, the code attempts to `return
True` after successfully parsing a valid JSON string. However, the correct boolean
literal in JavaScript is lowercase `true`. Because no variable named `True` is defined,
this will cause a `ReferenceError: True is not defined` at runtime. This error is
triggered whenever a user provides a valid JSON schema for a `JSON_OBJECT` type
variable, which will crash the application and prevent the use of this feature.

_{Did we get this right? 👍 / 👎 to inform future reviews.}