feat: search url query param handling

src/app/modules/hebis/hebis-routing.module.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2021 StApps
+ * Copyright (C) 2022 StApps
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, version 3.
@@ -19,7 +19,6 @@ import {HebisSearchPageComponent} from './list/hebis-search-page.component';
 
 const hebisRoutes: Routes = [
   {path: 'hebis-search', component: HebisSearchPageComponent},
-  {path: 'hebis-search/:term', component: HebisSearchPageComponent},
   {path: 'hebis-detail/:uid', component: HebisDetailComponent},
 ];
 

src/app/modules/hebis/list/hebis-search-page.html

@@ -37,7 +37,8 @@
   <ion-toolbar color="primary" class="category-tab">
     <ion-buttons class="ion-justify-content-between">
       <ion-button
-        [routerLink]="['/search/' + (queryText || '')]"
+        [routerLink]="['/search']"
+        queryParamsHandling="preserve"
         [routerAnimation]="routeAnimation"
         fill="outline"
         size="large"