Add missing await

Co-authored by: Marc Jaramillo mnj.webdeveloper@gmail.com
Co-authored by: Musab Guma'a mgsium@github.com

Author: marcnjaramillo

extensions/ql-vscode/src/databaseFetcher.ts

@@ -268,7 +268,7 @@ async function readAndUnzip(
     step: 9,
     message: `Unzipping into ${path.basename(unzipPath)}`
   });
-  if(cli.cliConstraints.supportsDatabaseUnbundle()) {
+  if(await cli.cliConstraints.supportsDatabaseUnbundle()) {
     // Use the `database unbundle` command if the installed cli version supports it
     await cli.databaseUnbundle(zipFile, unzipPath);
   } else {