fixup! refactor: event managers

Author: wagnermaciel

src/cdk-experimental/ui-patterns/behaviors/event-manager/mouse-event-manager.ts

@@ -38,9 +38,9 @@ export interface MouseEventHandlerConfig extends EventHandlerConfig<MouseEvent>
  * propagation and prevents default on all events it handles.
  */
 export class MouseEventManager<T extends MouseEvent> extends EventManager<T> {
-  override options: EventHandlerOptions = {
-    preventDefault: true,
-    stopPropagation: true,
+  options: EventHandlerOptions = {
+    preventDefault: false,
+    stopPropagation: false,
   };
 
   /**
@@ -63,7 +63,7 @@ export class MouseEventManager<T extends MouseEvent> extends EventManager<T> {
   on(handler: EventHandler<T>): this;
 
   on(...args: any[]) {
-    const {button, handler, modifiers} = this.normalizeHandlerOptions(...args);
+    const {button, handler, modifiers} = this._normalizeInputs(...args);
 
     this.configs.push({
       handler,
@@ -73,7 +73,7 @@ export class MouseEventManager<T extends MouseEvent> extends EventManager<T> {
     return this;
   }
 
-  normalizeHandlerOptions(...args: any[]) {
+  private _normalizeInputs(...args: any[]) {
     if (args.length === 3) {
       return {
         button: args[0] as MouseButton,