caddytls: Fix broken refactor

Not sure how that happened...

Author: mholt

caddyconfig/httpcaddyfile/options.go

@@ -585,7 +585,7 @@ func parseOptECH(d *caddyfile.Dispenser, _ any) (any, error) {
 	publicNames := d.RemainingArgs()
 	for _, publicName := range publicNames {
 		ech.Configs = append(ech.Configs, caddytls.ECHConfiguration{
-			OuterSNI: publicName,
+			PublicName: publicName,
 		})
 	}
 	if len(ech.Configs) == 0 {

caddyconfig/httpcaddyfile/tlsapp.go

@@ -375,7 +375,7 @@ func (st ServerType) buildTLSApp(
 			return nil, warnings, err
 		}
 		for _, cfg := range ech.Configs {
-			ap.SubjectsRaw = append(ap.SubjectsRaw, cfg.OuterSNI)
+			ap.SubjectsRaw = append(ap.SubjectsRaw, cfg.PublicName)
 		}
 		if tlsApp.Automation == nil {
 			tlsApp.Automation = new(caddytls.AutomationConfig)

modules/caddytls/ech.go

@@ -136,7 +136,7 @@ func (ech *ECH) Provision(ctx caddy.Context) ([]string, error) {
 	// current/active, so they can be used for ECH retries
 
 	for _, cfg := range ech.Configs {
-		publicName := strings.ToLower(strings.TrimSpace(cfg.OuterSNI))
+		publicName := strings.ToLower(strings.TrimSpace(cfg.PublicName))
 
 		if list, ok := ech.configs[publicName]; ok && len(list) > 0 {
 			// at least one config with this public name was loaded, so find the