RBAC: Add required component to perform access control checks for user api when running single tenant (#93104)

* Unexport store and create new constructor function

* Add ResourceAuthorizer and LegacyAccessClient

* Configure checks for user store

* List with checks if AccessClient is configured

* Allow system user service account to read all users

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Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>

pkg/apimachinery/utils/resource.go

@@ -40,6 +40,10 @@ func (info *ResourceInfo) WithGroupAndShortName(group string, shortName string)
 	}
 }
 
+func (info *ResourceInfo) GetName() string {
+	return info.resourceName
+}
+
 func (info *ResourceInfo) GetSingularName() string {
 	return info.singularName
 }