Move metrics under platform service (continued) (#20732)

* move metrics into platform

Co-authored-by: Agniva De Sarker <agnivade@yahoo.co.in>

app/plugin.go

@@ -226,7 +226,7 @@ func (ch *Channels) initPlugins(c *request.Context, pluginDir, webappPluginDir s
 		return New(ServerConnector(ch)).NewPluginAPI(c, manifest)
 	}
 
-	env, err := plugin.NewEnvironment(newAPIFunc, NewDriverImpl(ch.srv), pluginDir, webappPluginDir, ch.srv.Log, ch.srv.Metrics)
+	env, err := plugin.NewEnvironment(newAPIFunc, NewDriverImpl(ch.srv), pluginDir, webappPluginDir, ch.srv.Log, ch.srv.GetMetrics())
 	if err != nil {
 		mlog.Error("Failed to start up plugins", mlog.Err(err))
 		return