chore(statics): use type annotation for UnderlyingAsset key

TICKET: WP-5182

Author: zahin-mohammad

modules/statics/test/unit/base.ts

@@ -7,7 +7,7 @@ describe('UnderlyingAsset', function () {
     const duplicateAssets: (typeof UnderlyingAsset)[] = [];
 
     for (const asset in UnderlyingAsset) {
-      const assetValue = UnderlyingAsset[asset].toUpperCase();
+      const assetValue = UnderlyingAsset[asset as keyof UnderlyingAsset].toUpperCase();
       if (underlyingAssetSet.has(assetValue)) {
         duplicateAssets.push(assetValue);
       }