fix(location): wrap long MSC3488 descriptions

Constrain the rendered location description width and break long tokens so an
oversized description from another client can't overflow the message bubble.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/app/components/message/MsgTypeRenderers.tsx

@@ -555,7 +555,11 @@ export function MLocation({ content }: MLocationProps) {
         loading="lazy"
         sandbox="allow-scripts"
       />
-      {description && <Text size="T300">{description}</Text>}
+      {description && (
+        <Text size="T300" style={{ wordBreak: 'break-word', maxWidth: '280px' }}>
+          {description}
+        </Text>
+      )}
       <Text size="T300" priority="300">
         {`${lat.toFixed(5)}, ${lon.toFixed(5)}`}
       </Text>