Chore: Move dashboard models to dashboard pkg (#61458)

* Copy dashboard models to dashboard pkg

* Use some models from current pkg instead of models

* Adjust api pkg

* Adjust pkg services

* Fix lint

pkg/services/publicdashboards/api/query.go

@@ -40,7 +40,7 @@ func (api *Api) ViewPublicDashboard(c *models.ReqContext) response.Response {
 		Updated:                    dash.Updated,
 		Version:                    dash.Version,
 		IsFolder:                   false,
-		FolderId:                   dash.FolderId,
+		FolderId:                   dash.FolderID,
 		PublicDashboardAccessToken: pubdash.AccessToken,
 	}
 	dash.Data.Get("timepicker").Set("hidden", !pubdash.TimeSelectionEnabled)