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/api/grpc/settings/v2/integration_test/server_test.go

@@ -13,9 +13,9 @@ import (
 )
 
 var (
-	CTX, AdminCTX context.Context
-	Instance      *integration.Instance
-	Client        settings.SettingsServiceClient
+	CTX, AdminCTX, UserTypeLoginCtx, OrgOwnerCtx context.Context
+	Instance                                     *integration.Instance
+	Client                                       settings.SettingsServiceClient
 )
 
 func TestMain(m *testing.M) {
@@ -27,6 +27,9 @@ func TestMain(m *testing.M) {
 
 		CTX = ctx
 		AdminCTX = Instance.WithAuthorization(ctx, integration.UserTypeIAMOwner)
+		UserTypeLoginCtx = Instance.WithAuthorization(ctx, integration.UserTypeLogin)
+		OrgOwnerCtx = Instance.WithAuthorization(ctx, integration.UserTypeOrgOwner)
+
 		Client = Instance.Client.SettingsV2
 		return m.Run()
 	}())