Access control: Make Admin/Users UI working with the permissions (#33176)

* API: authorize admin/users views

* Render admin/users components based on user's permissions

* Add LDAP permissions (required by admin/user page)

* Extend default admin role by LDAP permissions

* Show/hide LDAP debug views

* Render LDAP debug page if user has access

* Authorize LDAP debug view

* fix permissions definitions

* Add LDAP page permissions

* remove ambiguous permissions check

* Hide logout buttons in sessions table

* Add org/users permissions

* Use org permissions for managing user roles in orgs

* Apply permissions to org/users

* Apply suggestions from review

* Fix tests

* remove scopes from the frontend

* Tweaks according to review

* Handle /invites endpoints

pkg/api/dtos/models.go

@@ -44,7 +44,7 @@ type CurrentUser struct {
 	Permissions                UserPermissionsMap `json:"permissions,omitempty"`
 }
 
-type UserPermissionsMap map[string]map[string]string
+type UserPermissionsMap map[string]bool
 
 type MetricRequest struct {
 	From    string             `json:"from"`