fix: expose new version

See toolshed/abra#713

cli/app/rollback.go

@@ -2,6 +2,7 @@ package app
 
 import (
 	"errors"
+	"fmt"
 	"strings"
 
 	appPkg "coopcloud.tech/abra/pkg/app"
@@ -177,7 +178,9 @@ beforehand. See "abra app backup" for more.`),
 			log.Fatal(err)
 		}
 
-		appPkg.ExposeAllEnv(stackName, compose, app.Env)
+		newRecipeWithDowngradeVersion := fmt.Sprintf("%s:%s", app.Recipe.Name, chosenDowngrade)
+		appPkg.ExposeAllEnv(stackName, compose, app.Env, newRecipeWithDowngradeVersion)
+
 		appPkg.SetRecipeLabel(compose, stackName, app.Recipe.Name)
 		appPkg.SetChaosLabel(compose, stackName, internal.Chaos)
 		if internal.Chaos {