MM-52282 Remove ExperimentalSettings.PatchPluginsReactDOM (#23172)

* MM-52282 Remove ExperimentalSettings.PatchPluginsReactDOM

* Fix missing file from last commit

* Fix test usage of plugin.NewEnvironment

server/platform/services/telemetry/telemetry_test.go

@@ -168,7 +168,6 @@ func initializeMocks(cfg *model.Config, cloudLicense bool) (*mocks.ServerIface,
 		func(m *model.Manifest) plugin.API { return pluginsAPIMock },
 		nil,
 		pluginDir, webappPluginDir,
-		false,
 		logger,
 		nil)
 	serverIfaceMock.On("GetPluginsEnvironment").Return(pluginEnv, nil)