CloudMigration: Show warning message for successfully migrated non-core data sources (#91545)

* minor performance improvement

* apply a warning to any non-core plugins that successfully migrate

* commit frontend wip while I refactor some stuff

* update api

* repurpose error dialog to be a generic details dialog

* whitespace

* add unit test

* fixes from testing

* fix migration summary

* add comment

* fix localization stuff

* fix backend test

* reduce number of queries to the db

* some PR feedback

* whitespace

pkg/services/cloudmigration/api/api.go

@@ -435,10 +435,10 @@ func (cma *CloudMigrationAPI) GetSnapshot(c *contextmodel.ReqContext) response.R
 	dtoResults := make([]MigrateDataResponseItemDTO, len(results))
 	for i := 0; i < len(results); i++ {
 		dtoResults[i] = MigrateDataResponseItemDTO{
-			Type:   MigrateDataType(results[i].Type),
-			RefID:  results[i].RefID,
-			Status: ItemStatus(results[i].Status),
-			Error:  results[i].Error,
+			Type:    MigrateDataType(results[i].Type),
+			RefID:   results[i].RefID,
+			Status:  ItemStatus(results[i].Status),
+			Message: results[i].Error,
 		}
 	}