refactor: Viewports state (#1218)

* Organize viewports reducers

* Organize viewports actions

* Add local state to store dom node and remove hack

* Comment usage of dom in vtk

* Fix set of enabledElements

* Fix warning in html viewport

* Update docs for state

* Add commandsmanager to commandsmodule

platform/core/src/extensions/ExtensionManager.js

@@ -69,6 +69,7 @@ export default class ExtensionManager {
     if (extension.preRegistration) {
       extension.preRegistration({
         servicesManager: this._servicesManager,
+        commandsManager: this._commandsManager,
         configuration,
       });
     }
@@ -112,6 +113,7 @@ export default class ExtensionManager {
     try {
       const extensionModule = getModuleFn({
         servicesManager: this._servicesManager,
+        commandsManager: this._commandsManager,
       });
 
       if (!extensionModule) {