Fix line wrapping in full-size presentation code blocks

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Co-Authored-By: Claude <noreply@anthropic.com>

Author: ofriw

website/src/components/PresentationMode/RevealSlideshow.module.css

@@ -119,7 +119,7 @@
   overflow-y: auto;
   overflow-x: auto;
   height: 100%;
-  white-space: pre;
+  white-space: pre-wrap;
 }
 
 .codeBlock code {