Fix failing shellcheck

compose/bin/download

@@ -21,7 +21,7 @@ bin/setup-composer-auth
 
 bin/fixowns
 
-if [ $EDITION == "mageos" ]; then
+if [ "$EDITION" == "mageos" ]; then
   bin/clinotty composer create-project --stability alpha --repository-url=https://upstream-nightly.mage-os.org magento/project-community-edition .
 else
   bin/clinotty composer create-project --repository=https://repo.magento.com/ magento/project-"${EDITION}"-edition="${VERSION}" .