fix duplicated /admin in url
fix duplicated /admin in url

Soullivaneuh/sonata-sandbox,davask/exim-cms,sonata-project/sandbox,KonstantinBY/sonata-sandbox,Soullivaneuh/sonata-sandbox,davask/exim-cms,KonstantinBY/sonata-sandbox,tworzenieweb/polcode-recruitment,tworzenieweb/polcode-recruitment,zsamotsil/polcode_task,davask/exim-cms,Soullivaneuh/sonata-sandbox,davask/exim-cms,sonata-project/sandbox,KonstantinBY/sonata-sandbox,rzproject/sandbox,zsamotsil/polcode_task,sonata-project/sandbox,Soullivaneuh/sonata-sandbox,rzproject/sandbox,rzproject/sandbox,KonstantinBY/sonata-sandbox