Chore: Move SearchOrgs to org service (#55416)

* Chore: Move SearchOrgs to org service

* Fix lint

* Fix lint 2

pkg/api/common_test.go

@@ -42,6 +42,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/login/loginservice"
 	"github.com/grafana/grafana/pkg/services/login/logintest"
 	"github.com/grafana/grafana/pkg/services/org"
+	"github.com/grafana/grafana/pkg/services/org/orgtest"
 	"github.com/grafana/grafana/pkg/services/preference/preftest"
 	"github.com/grafana/grafana/pkg/services/quota/quotaimpl"
 	"github.com/grafana/grafana/pkg/services/rendering"
@@ -410,6 +411,7 @@ func setupHTTPServerWithCfgDb(
 		),
 		preferenceService: preftest.NewPreferenceServiceFake(),
 		userService:       userMock,
+		orgService:        orgtest.NewOrgServiceFake(),
 		annotationsRepo:   annotationstest.NewFakeAnnotationsRepo(),
 	}