fix(www): fix duplicate row level security key (#48325)

## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.

YES

## What kind of change does this PR introduce?

Bug fix (fixes #48324)

## What is the current behavior?

Detailed in #48324, there's a duplicate row-level-security section. Line
369 to 392 (right above the change) already have this row-level-security
section, seems like a simple forget to change the copy pasted content
mistake

## What is the new behavior?

Fixed based on the title and image name



<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Content Updates**
* Replaced the “Row Level Security” feature card with “Full SQL access”
in the Postgres platform features section.
  * Updated the associated image description to “SQL Editor.”
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Co-authored-by: Pamela Chia <pamelachiamayyee@gmail.com>

apps/www/data/solutions/postgres-developers.tsx

@@ -391,7 +391,7 @@ const data: () => {
           ),
         },
         {
-          id: 'row-level-security',
+          id: 'full-sql-access',
           title: 'Full SQL access',
           icon: '',
           subheading: (
@@ -411,7 +411,7 @@ const data: () => {
                 dark: '/images/solutions/postgres-developers/sql-editor-dark.jpg',
                 light: '/images/solutions/postgres-developers/sql-editor-light.jpg',
               }}
-              alt="Row Level Security"
+              alt="SQL Editor"
               width={100}
               height={100}
               quality={100}