fix: revert a change that broke integration test

Signed-off-by: Taylor Price <[email protected]>

Author: drpebcak

pkg/engine/cmd.go

@@ -197,9 +197,10 @@ var ignoreENV = map[string]struct{}{
 }
 
 func appendEnv(envs []string, k, v string) []string {
-	k = env.ToEnvLike(k)
-	if _, ignore := ignoreENV[k]; !ignore {
-		envs = append(envs, k+"="+v)
+	for _, k := range []string{k, env.ToEnvLike(k)} {
+		if _, ignore := ignoreENV[k]; !ignore {
+			envs = append(envs, k+"="+v)
+		}
 	}
 	return envs
 }