Chore: Add user service method SetUsingOrg and GetSignedInUserWithCacheCtx (#53343)

* Chore: Add user service method SetUsingOrg

* Chore: Add user service method GetSignedInUserWithCacheCtx

* Use method GetSignedInUserWithCacheCtx from user service

* Fix lint after rebase

* Fix lint

* Fix lint error

* roll back some changes

* Roll back changes in api and middleware

* Add xorm tags to SignedInUser ID fields

pkg/api/pluginproxy/pluginproxy.go

@@ -27,8 +27,8 @@ func NewApiPluginProxy(ctx *models.ReqContext, proxyPath string, route *plugins.
 	appID string, cfg *setting.Cfg, pluginSettingsService pluginsettings.Service,
 	secretsService secrets.Service) *httputil.ReverseProxy {
 	appProxyLogger := logger.New(
-		"userId", ctx.UserId,
-		"orgId", ctx.OrgId,
+		"userId", ctx.UserID,
+		"orgId", ctx.OrgID,
 		"uname", ctx.Login,
 		"app", appID,
 		"path", ctx.Req.URL.Path,
@@ -37,7 +37,7 @@ func NewApiPluginProxy(ctx *models.ReqContext, proxyPath string, route *plugins.
 	)
 
 	director := func(req *http.Request) {
-		query := pluginsettings.GetByPluginIDArgs{OrgID: ctx.OrgId, PluginID: appID}
+		query := pluginsettings.GetByPluginIDArgs{OrgID: ctx.OrgID, PluginID: appID}
 		ps, err := pluginSettingsService.GetPluginSettingByPluginID(ctx.Req.Context(), &query)
 		if err != nil {
 			ctx.JsonApiErr(500, "Failed to fetch plugin settings", err)
@@ -115,8 +115,8 @@ func logAppPluginProxyRequest(appID string, cfg *setting.Cfg, c *models.ReqConte
 	}
 
 	logger.Info("Proxying incoming request",
-		"userid", c.UserId,
-		"orgid", c.OrgId,
+		"userid", c.UserID,
+		"orgid", c.OrgID,
 		"username", c.Login,
 		"app", appID,
 		"uri", c.Req.RequestURI,