User: Expose GCOM user ID as externalUserId in grafanaBootData (#47307)

* user essentials mob! 🔱

* user essentials mob! 🔱

* user essentials mob! 🔱

* user essentials mob! 🔱

* user essentials mob! 🔱

* fix sql indtent

Co-authored-by: Joao Silva <joao.silva@grafana.com>
Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>

pkg/api/dtos/models.go

@@ -28,6 +28,7 @@ type LoginCommand struct {
 type CurrentUser struct {
 	IsSignedIn                 bool               `json:"isSignedIn"`
 	Id                         int64              `json:"id"`
+	ExternalUserId             string             `json:"externalUserId"`
 	Login                      string             `json:"login"`
 	Email                      string             `json:"email"`
 	Name                       string             `json:"name"`

pkg/api/index.go

@@ -653,6 +653,7 @@ func (hs *HTTPServer) setIndexViewData(c *models.ReqContext) (*dtos.IndexViewDat
 			IsSignedIn:                 c.IsSignedIn,
 			Login:                      c.Login,
 			Email:                      c.Email,
+			ExternalUserId:             c.SignedInUser.ExternalAuthId,
 			Name:                       c.Name,
 			OrgCount:                   c.OrgCount,
 			OrgId:                      c.OrgId,