Authz: Remove use of SignedInUser copy for permission evaluation (#78448)

* remove use of SignedInUserCopies

* add extra safety to not cross assign permissions

unwind circular dependency

dashboardacl->dashboardaccess

fix missing import

* correctly set teams for permissions

* fix missing inits

* nit: check err

* exit early for api keys

pkg/services/search/service.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/grafana/grafana/pkg/infra/db"
 	"github.com/grafana/grafana/pkg/services/dashboards"
+	"github.com/grafana/grafana/pkg/services/dashboards/dashboardaccess"
 	"github.com/grafana/grafana/pkg/services/search/model"
 	"github.com/grafana/grafana/pkg/services/star"
 	"github.com/grafana/grafana/pkg/services/user"
@@ -40,7 +41,7 @@ type Query struct {
 	// Deprecated: use FolderUID instead
 	FolderIds  []int64
 	FolderUIDs []string
-	Permission dashboards.PermissionType
+	Permission dashboardaccess.PermissionType
 	Sort       string
 }