fix: return an empty array instead of null

api/v1/files_import.go

@@ -82,6 +82,10 @@ func (api *API) ListImportsOfShow(c *gin.Context) {
 		return
 	}
 
+	if len(jobs) == 0 {
+		jobs = make([]*importer.Job, 0)
+	}
+
 	c.JSON(http.StatusOK, JobsListing{jobs})
 }