fix historie

alfa-client/libs/historie/src/lib/historie.module.ts

@@ -34,7 +34,7 @@ import { AccordionComponent, AppIconComponent, SpinnerComponent } from '@alfa-cl
 import { UserProfileModule } from '@alfa-client/user-profile';
 import { CommonModule } from '@angular/common';
 import { NgModule } from '@angular/core';
-import { MatExpansionPanel, MatExpansionPanelTitle } from '@angular/material/expansion';
+import { MatExpansionPanel, MatExpansionPanelHeader, MatExpansionPanelTitle } from '@angular/material/expansion';
 import { MatIcon } from '@angular/material/icon';
 import { FormatFullDatePipe } from '../../../tech-shared/src/lib/pipe/format-full-date.pipe';
 import { HistorieContainerComponent } from './historie-container/historie-container.component';
@@ -76,6 +76,7 @@ import { HistorieListComponent } from './historie-container/historie-list/histor
     SpinnerComponent,
     AccordionComponent,
     ToEmbeddedResourcesPipe,
+    MatExpansionPanelHeader,
   ],
   declarations: [
     HistorieContainerComponent,