Dashboard: Fix dashboard update permission check (#48746) (#48853)

* Change dash permission check for dashboards that are moved to a different folder

(cherry picked from commit 6923b4c6c6)

Co-authored-by: Ieva <ieva.vasiljeva@grafana.com>

pkg/services/dashboards/database/database.go

@@ -326,10 +326,6 @@ func getExistingDashboardByIdOrUidForUpdate(sess *sqlstore.DBSession, dash *mode
 		dash.SetId(existingByUid.Id)
 		dash.SetUid(existingByUid.Uid)
 		existing = existingByUid
-
-		if !dash.IsFolder {
-			isParentFolderChanged = true
-		}
 	}
 
 	if (existing.IsFolder && !dash.IsFolder) ||