Auth: add expired token error and update CreateToken function (#30203)

* Auth: add error for expired token

* Auth: save token error into context data

* Auth: send full user and req context to CreateToken

* Auth: add token ID in context

* add TokenExpiredError struct

* update auth tests

* remove most of the changes to CreateToken func

* clean up

* Login: add requestURI in CreateToken ctx

* update RequestURIKey comment

pkg/services/contexthandler/contexthandler.go

@@ -258,6 +258,8 @@ func (h *ContextHandler) initContextWithToken(ctx *models.ReqContext, orgID int6
 	if err != nil {
 		ctx.Logger.Error("Failed to look up user based on cookie", "error", err)
 		cookies.WriteSessionCookie(ctx, h.Cfg, "", -1)
+
+		ctx.Data["lookupTokenErr"] = err
 		return false
 	}