Expose Jira successfully imported issues count in GraphQL
In the Jira importer UX mockups (https://whimsical.com/EzRSSRSikrHoR3Q9VSAf72), an alert message is shown to the user when a Jira import has finished with text like 39 issues successfully imported with the label jira-import::KEY-1
.
The count of the successfully imported issues needs to be exposed in GraphQL so that the front end can display the count to the user. The success count could be added to the JiraImport
GraphQL type so that the count is associated with the specific Jira project import.