feat: add attribute to only enable specific themes (#6798)

* feat: enable only specific themes in label policy

* feat: enable only specific themes in label policy

* feat: enable only specific themes in label policy

* feat: enable only specific themes in label policy

* add management in console

* pass enabledTheme

* render login ui based on enabled theme

* add in branding / settings service and name consistently

* update console to latest proto state

* fix console linting

* fix linting

* cleanup

* add translations

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>
Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>

internal/command/instance.go

@@ -97,6 +97,7 @@ type InstanceSetup struct {
 		HideLoginNameSuffix bool
 		ErrorMsgPopup       bool
 		DisableWatermark    bool
+		ThemeMode           domain.LabelPolicyThemeMode
 	}
 	LockoutPolicy struct {
 		MaxAttempts              uint64
@@ -276,6 +277,7 @@ func (c *Commands) SetUpInstance(ctx context.Context, setup *InstanceSetup) (str
 			setup.LabelPolicy.HideLoginNameSuffix,
 			setup.LabelPolicy.ErrorMsgPopup,
 			setup.LabelPolicy.DisableWatermark,
+			setup.LabelPolicy.ThemeMode,
 		),
 		prepareActivateDefaultLabelPolicy(instanceAgg),