chore: fix code style in markdown (#37141)

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

- **Bug Fixes**
- Adjusted CSS styles for the Markdown component to improve the display
of inline code elements without specific programming language classes.
  
- **Style**
- Enhanced specificity of styles for inline code snippets, ensuring
consistent styling across different scenarios.
- Added `white-space: normal;` to improve whitespace handling within
code elements.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

<!-- This is an auto-generated comment: Cypress test results  -->
> [!WARNING]
> Tests have not run on the HEAD
67606f8 yet
> <hr>Wed, 30 Oct 2024 14:03:46 UTC
<!-- end of auto-generated comment: Cypress test results  -->

app/client/packages/design-system/widgets/src/components/Markdown/src/styles.module.css

@@ -95,12 +95,13 @@
     overflow: auto;
   }
 
-  code:not(pre code) {
+  code:not([class*="language-"]) {
     padding-inline: var(--inner-spacing-1);
     background: var(--color-bg-neutral-subtle);
     color: var(--color-fg-negative);
     border-radius: var(--border-radius-elevation-3);
     word-break: break-word;
+    white-space: normal;
     outline: var(--border-width-1) solid var(--color-bg-neutral-soft);
   }