Refactor return search component and remove unused dropdown.

- 🛠️ **Refactor**: Updated return search result component for mobile responsiveness
- 🗑️ **Chore**: Removed unused order-by dropdown component and related files
- 📚 **Docs**: Enhanced component documentation for clarity

libs/shared/filter/src/lib/order-by/index.ts

@@ -1,2 +1 @@
 export * from './order-by-toolbar.component';
-export * from './order-by-dropdown.component';

libs/shared/filter/src/lib/order-by/order-by-dropdown.component.html

@@ -1,18 +0,0 @@
-<ui-dropdown
-  class="w-full"
-  label="Sortieren nach"
-  appearance="grey"
-  [ngModel]="selectedOrderBy()"
-  (ngModelChange)="setOrderBy($event)"
-  [showSelectedValue]="false"
-  [class.active]="selectedOrderBy()"
->
-  @for (option of orderByOptions(); track option.by + option.dir) {
-    <ui-dropdown-option [value]="option">
-      <div>{{ option.label }}</div>
-      <div>
-        <ng-icon [name]="option.dir" size="1.25rem"></ng-icon>
-      </div>
-    </ui-dropdown-option>
-  }
-</ui-dropdown>

libs/shared/filter/src/lib/order-by/order-by-dropdown.component.scss

@@ -1,3 +0,0 @@
-:host {
-  @apply inline-flex;
-}

libs/shared/filter/src/lib/order-by/order-by-dropdown.component.ts

@@ -1,26 +0,0 @@
-import { ChangeDetectionStrategy, Component, computed, inject } from '@angular/core';
-import { DropdownButtonComponent, DropdownOptionComponent } from '@isa/ui/input-controls';
-import { FilterService, OrderByOption } from '../core';
-import { FormsModule } from '@angular/forms';
-import { NgIconComponent, provideIcons } from '@ng-icons/core';
-import { isaSortByDownMedium, isaSortByUpMedium } from '@isa/icons';
-
-@Component({
-  selector: 'filter-order-by-dropdown',
-  templateUrl: './order-by-dropdown.component.html',
-  styleUrls: ['./order-by-dropdown.component.scss'],
-  changeDetection: ChangeDetectionStrategy.OnPush,
-  imports: [DropdownButtonComponent, DropdownOptionComponent, FormsModule, NgIconComponent],
-  providers: [provideIcons({ desc: isaSortByDownMedium, asc: isaSortByUpMedium })],
-})
-export class OrderByDropdownComponent {
-  #filter = inject(FilterService);
-
-  orderByOptions = this.#filter.orderBy;
-
-  selectedOrderBy = computed(() => this.orderByOptions().find((o) => o.selected));
-
-  setOrderBy(option: OrderByOption) {
-    this.#filter.setOrderBy(option.by, option.dir);
-  }
-}