feat(sub): add option to hide server settings in subscription (happ) (#5433)

* feat(settings): add option to hide server settings in subscription

* chore: regenerate codegen and add translations for subHideSettings

- Update frontend/src/generated/{types,schemas,zod,examples}.ts to include
  subHideSettings (bool) in AllSetting and AllSettingView
- Add subHideSettings / subHideSettingsDesc translation keys to all 11
  remaining locales: ar-EG, fa-IR, es-ES, id-ID, ja-JP, pt-BR, uk-UA,
  tr-TR, zh-TW, zh-CN, vi-VN

Co-authored-by: IgorKha <IgorKha@users.noreply.github.com>
Co-authored-by: Sanaei <MHSanaei@users.noreply.github.com>

* fix(sub): add subHideSettings default to settings map

Every other sub* setting has an entry in defaultValueMap; subHideSettings was missing, so GetSubHideSettings hit the 'key not in defaultValueMap' error path on a fresh install (only masked by the false fallback in sub.go). Add the default for consistency.

internal/web/service/setting.go

@@ -74,6 +74,7 @@ var defaultValueMap = map[string]string{
 	"subAnnounce":                 "",
 	"subEnableRouting":            "false",
 	"subRoutingRules":             "",
+	"subHideSettings":             "false",
 	"subListen":                   "",
 	"subPort":                     "2096",
 	"subPath":                     "/sub/",
@@ -692,6 +693,10 @@ func (s *SettingService) GetSubRoutingRules() (string, error) {
 	return s.getString("subRoutingRules")
 }
 
+func (s *SettingService) GetSubHideSettings() (bool, error) {
+	return s.getBool("subHideSettings")
+}
+
 func (s *SettingService) GetSubListen() (string, error) {
 	return s.getString("subListen")
 }