refactor: optimize imports in downloads component and fix download folder access

apps/web/src/app/services/settings-store.service.ts

@@ -29,6 +29,7 @@ const DEFAULT_SETTINGS: Settings = {
     remoteControl: false,
     remoteControlPort: 8765,
     epgUrl: [],
+    downloadFolder: '',
 };
 
 export const SettingsStore = signalStore(
@@ -79,12 +80,12 @@ export const SettingsStore = signalStore(
                 remoteControl: store.remoteControl(),
                 remoteControlPort: store.remoteControlPort(),
                 epgUrl: store.epgUrl(),
-                downloadFolder: store.downloadFolder?.(),
+                downloadFolder: store.downloadFolder(),
             };
         },
 
         getDownloadFolder() {
-            return store.downloadFolder?.();
+            return store.downloadFolder();
         },
 
         getPlayer() {

apps/web/src/app/xtream-tauri/downloads/downloads.component.ts

@@ -6,9 +6,9 @@ import {
     OnInit,
 } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
-import { MatIconModule } from '@angular/material/icon';
+import { MatIcon } from '@angular/material/icon';
 import { MatProgressBarModule } from '@angular/material/progress-bar';
-import { MatTooltipModule } from '@angular/material/tooltip';
+import { MatTooltip } from '@angular/material/tooltip';
 import { ActivatedRoute, Router } from '@angular/router';
 import { TranslatePipe } from '@ngx-translate/core';
 import {
@@ -23,9 +23,9 @@ import {
     changeDetection: ChangeDetectionStrategy.OnPush,
     imports: [
         MatButtonModule,
-        MatIconModule,
+        MatIcon,
         MatProgressBarModule,
-        MatTooltipModule,
+        MatTooltip,
         TranslatePipe,
     ],
 })