Revert "Typings TS changes"

This reverts commit be2be0077acee2fdb1a1ca851ad70ced0be9c25e.

Viewer/src/templating/templateManager.ts

@@ -604,7 +604,7 @@ export class Template {
                             function: binding
                         });
                     } else if (typeof this._configuration.events[eventName] === 'object') {
-                        let selectorsArray: Array<string> = Object.keys(this._configuration.events[eventName] || {} as any);
+                        let selectorsArray: Array<string> = Object.keys(this._configuration.events[eventName] || {});
                         // strict null checl is working incorrectly, must override:
                         let event = this._configuration.events[eventName] || {};
                         selectorsArray.filter((selector) => event[selector]).forEach((selector) => {