Export missing types from expansion-panel and fix accordion interface

- Export IExpansionPanelCancelableEventArgs, IgxExpansionPanelBase from expansion-panel
- Export ToggleAnimationSettings from expansion-panel
- Add cancel property to IAccordionCancelableEventArgs interface
- Fixes accordion build errors

Build progressing - accordion can now access all required expansion-panel types

Co-authored-by: kdinev <[email protected]>

Author: Copilot

projects/igniteui-angular/accordion/src/accordion/accordion.component.ts

@@ -22,6 +22,8 @@ export interface IAccordionCancelableEventArgs extends IExpansionPanelCancelable
     owner: IgxAccordionComponent;
     /** Provides a reference to the `IgxExpansionPanelComponent` which is currently expanding/collapsing. */
     panel: IgxExpansionPanelBase;
+    /** Enables canceling the expansion/collapse operation. */
+    cancel: boolean;
 }
 
 let NEXT_ID = 0;

projects/igniteui-angular/expansion-panel/src/expansion-panel/public_api.ts

@@ -3,7 +3,7 @@ import { IgxExpansionPanelHeaderComponent } from './expansion-panel-header.compo
 import { IgxExpansionPanelComponent } from './expansion-panel.component';
 import { IgxExpansionPanelDescriptionDirective, IgxExpansionPanelIconDirective, IgxExpansionPanelTitleDirective } from './expansion-panel.directives';
 
-export { IExpansionPanelEventArgs } from './expansion-panel.common';
+export { IExpansionPanelEventArgs, IExpansionPanelCancelableEventArgs, IgxExpansionPanelBase } from './expansion-panel.common';
 export { IgxExpansionPanelHeaderComponent } from './expansion-panel-header.component';
 export { IgxExpansionPanelBodyComponent } from './expansion-panel-body.component';
 export { IgxExpansionPanelComponent } from './expansion-panel.component';
@@ -13,6 +13,7 @@ export {
     IgxExpansionPanelTitleDirective
 } from './expansion-panel.directives';
 export { ExpansionPanelHeaderIconPosition } from './expansion-panel-header.component';
+export { ToggleAnimationSettings } from './toggle-animation-component';
 
 /* NOTE: Expansion panel directives collection for ease-of-use import in standalone components scenario */
 export const IGX_EXPANSION_PANEL_DIRECTIVES = [