DashboardScenePage: Correct slug in self referencing data links (#100048)
* switch to useLayoutEffect so queries run after url correction
* add comment
* suparate useEffects to avoid update on slug change
* add url correction for missing slug
* account for slug change during dashboard rename
* simplify fix
* add e2e test for data link without slug
* remove old comment
* remove newly added path from useEffect dependencies
(cherry picked from commit 4648ba396b)
Sergej-Vlasov