[fix] Expose collection filter init function for client override (#797)

angular/src/modules/vault-filter/vault-filter.component.ts

@@ -46,10 +46,15 @@ export class VaultFilterComponent implements OnInit {
         await this.vaultFilterService.checkForSingleOrganizationPolicy();
     }
     this.folders = await this.vaultFilterService.buildFolders();
-    this.collections = await this.vaultFilterService.buildCollections();
+    this.collections = await this.initCollections();
     this.isLoaded = true;
   }
 
+  // overwritten in web for organization vaults
+  async initCollections() {
+    return await this.vaultFilterService.buildCollections();
+  }
+
   async toggleFilterNodeCollapseState(node: ITreeNodeObject) {
     if (this.collapsedFilterNodes.has(node.id)) {
       this.collapsedFilterNodes.delete(node.id);