fix(pkg/gnoland): store skipFailingGenesisTxs in cfg (gnolang#1395)

When the flag `--skip-failing-genesis-txs=true` was set, we still have a
panic because the flag wasn't send for the config

<details><summary>Contributors' checklist...</summary>

- [ ] Added new tests, or not needed, or not feasible
- [ ] Provided an example (e.g. screenshot) to aid review or the PR is
self-explanatory
- [ ] Updated the official documentation or not needed
- [ ] No breaking changes were made, or a `BREAKING CHANGE: xxx` message
was included in the description
- [ ] Added references to related issues and PRs
- [ ] Provided any useful hints for running manual tests
- [ ] Added new benchmarks to [generated
graphs](https://gnoland.github.io/benchmarks), if any. More info
[here](https://github.com/gnolang/gno/blob/master/.benchmarks/README.md).
</details>

gno.land/pkg/gnoland/app.go

@@ -122,6 +122,7 @@ func NewApp(dataRootDir string, skipFailingGenesisTxs bool, logger log.Logger, m
 	var err error
 
 	cfg := NewAppOptions()
+	cfg.SkipFailingGenesisTxs = skipFailingGenesisTxs
 
 	// Get main DB.
 	cfg.DB, err = dbm.NewDB("gnolang", dbm.GoLevelDBBackend, filepath.Join(dataRootDir, "data"))