RBAC: Optimize permissions caching (#92412)

* Access control: Use composite cache key for team permissions

* use composite key for teams

* use cache for hotpath (getCachedUserPermissions)

* fix linter

* fix sorting

---------

Co-authored-by: Jeff Levin <jeff@levinology.com>

pkg/services/accesscontrol/cacheutils_test.go

@@ -6,6 +6,7 @@ import (
 	"github.com/stretchr/testify/assert"
 
 	"github.com/grafana/authlib/claims"
+
 	"github.com/grafana/grafana/pkg/services/org"
 	"github.com/grafana/grafana/pkg/services/user"
 )
@@ -68,7 +69,7 @@ func TestPermissionCacheKey(t *testing.T) {
 
 	for _, tc := range testcases {
 		t.Run(tc.name, func(t *testing.T) {
-			assert.Equal(t, tc.expected, GetPermissionCacheKey(tc.signedInUser))
+			assert.Equal(t, tc.expected, GetUserPermissionCacheKey(tc.signedInUser))
 		})
 	}
 }