Data sources: Grant creator edit permissions to data source by default (#46168)

* Data sources: Sent user ID when creating data source

* Data sources: Grant a data source creator edit permissions

* Use edit permisison and only append if user id is in command

Co-authored-by: Karl Persson <kalle.persson@grafana.com>

pkg/api/datasources.go

@@ -250,6 +250,7 @@ func (hs *HTTPServer) AddDataSource(c *models.ReqContext) response.Response {
 
 	datasourcesLogger.Debug("Received command to add data source", "url", cmd.Url)
 	cmd.OrgId = c.OrgId
+	cmd.UserId = c.UserId
 	if cmd.Url != "" {
 		if resp := validateURL(cmd.Type, cmd.Url); resp != nil {
 			return resp