Fix responsive in metaplex metadata json viewer (#27585)

fix metaplex metadata responsive

explorer/src/scss/_solana.scss

@@ -478,4 +478,8 @@ p.updated-time {
 
 .security-txt-link-color-hack-reee {
   color: white;
-}
+}
+
+.metadata-json-viewer .string-value {
+  word-break: break-all;
+}