fix: add missing check for organization data in form login command (#41091)

Added a check to ensure that the organization data retrieved during the
form login enablement process is valid. This prevents potential errors
when the organization with the specified slug is not found in the
database.

## Description
> [!TIP]  
> _Add a TL;DR when the description is longer than 500 words or
extremely technical (helps the content, marketing, and DevRel team)._
>
> _Please also include relevant motivation and context. List any
dependencies that are required for this change. Add links to Notion,
Figma or any other documents that might be relevant to the PR._


Fixes #`Issue Number`  
_or_  
Fixes `Issue URL`
> [!WARNING]  
> _If no issue exists, please create an issue first, and check with the
maintainers if the issue is valid._

## Automation

/ok-to-test tags=""

### 🔍 Cypress test results
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> [!CAUTION]  
> If you modify the content in this section, you are likely to disrupt
the CI result for your PR.

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## 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

* **Refactor**
* Improved code readability and simplified control flow in Redis URL
utility functions. No changes to functionality or user-facing behavior.

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

app/client/packages/rts/src/ctl/enable_form_login.ts

@@ -32,6 +32,7 @@ export async function run() {
     ]);
 
     const orgData = JSON.parse(orgCheckResult);
+
     if (!orgData || !orgData._id) {
       throw new Error("Organization with slug 'default' not found in database");
     }

app/client/packages/rts/src/ctl/utils.ts

@@ -3,7 +3,6 @@ import * as Constants from "./constants";
 import childProcess from "child_process";
 import fs from "node:fs";
 import { ConnectionString } from "mongodb-connection-string-url";
-import { parse } from "acorn";
 
 export function showHelp() {
   console.log(
@@ -44,17 +43,19 @@ export function parseRedisUrl(redisUrlObject) {
   if (redisUrlObject && redisUrlObject !== "undefined") {
     try {
       const redisUrl = new URL(redisUrlObject);
+
       return redisUrl.hostname;
     } catch (err) {
       console.error("Error parsing redis URL:", err);
     }
   }
+
   return null;
 }
 
 export function getRedisUrl() {
-  let redisUrl = null;
+  const redisUrlObject = process.env.APPSMITH_REDIS_URL;
-  let redisUrlObject = process.env.APPSMITH_REDIS_URL;
+
   // Make sure redisUrl takes precedence over process.env.APPSMITH_REDIS_URL
   if (redisUrlObject && redisUrlObject !== "undefined") {
     try {
@@ -63,6 +64,7 @@ export function getRedisUrl() {
       console.error("Error parsing redis URL from environment variable:", err);
     }
   }
+
   // If environment variable APPSMITH_REDIS_URL is not set, read from the environment file
   try {
     const env_array = fs
@@ -75,13 +77,15 @@ export function getRedisUrl() {
         const redisUrl = parseRedisUrl(
           env_array[i].toString().split("=")[1].trim(),
         );
-        break;
+
+        return redisUrl;
       }
     }
   } catch (err) {
     console.error("Error reading the environment file:", err);
   }
-  return redisUrl;
+
+  return null;
 }
 
 export function getDburl() {