feat: Hosted login translation API (#10011)

# Which Problems Are Solved

This PR implements https://github.com/zitadel/zitadel/issues/9850

# How the Problems Are Solved

  - New protobuf definition
  - Implementation of retrieval of system translations
- Implementation of retrieval and persistence of organization and
instance level translations

# Additional Context

- Closes #9850

# TODO

- [x] Integration tests for Get and Set hosted login translation
endpoints
- [x] DB migration test
- [x] Command function tests
- [x] Command util functions tests
- [x] Query function test
- [x] Query util functions tests

internal/query/projection/projection.go

@@ -86,6 +86,7 @@ var (
 	UserSchemaProjection                *handler.Handler
 	WebKeyProjection                    *handler.Handler
 	DebugEventsProjection               *handler.Handler
+	HostedLoginTranslationProjection    *handler.Handler
 
 	ProjectGrantFields      *handler.FieldHandler
 	OrgDomainVerifiedFields *handler.FieldHandler
@@ -179,6 +180,7 @@ func Create(ctx context.Context, sqlClient *database.DB, es handler.EventStore,
 	UserSchemaProjection = newUserSchemaProjection(ctx, applyCustomConfig(projectionConfig, config.Customizations["user_schemas"]))
 	WebKeyProjection = newWebKeyProjection(ctx, applyCustomConfig(projectionConfig, config.Customizations["web_keys"]))
 	DebugEventsProjection = newDebugEventsProjection(ctx, applyCustomConfig(projectionConfig, config.Customizations["debug_events"]))
+	HostedLoginTranslationProjection = newHostedLoginTranslationProjection(ctx, applyCustomConfig(projectionConfig, config.Customizations["hosted_login_translation"]))
 
 	ProjectGrantFields = newFillProjectGrantFields(applyCustomConfig(projectionConfig, config.Customizations[fieldsProjectGrant]))
 	OrgDomainVerifiedFields = newFillOrgDomainVerifiedFields(applyCustomConfig(projectionConfig, config.Customizations[fieldsOrgDomainVerified]))
@@ -357,5 +359,6 @@ func newProjectionsList() {
 		UserSchemaProjection,
 		WebKeyProjection,
 		DebugEventsProjection,
+		HostedLoginTranslationProjection,
 	}
 }