feat: Add desktop Open In button (#350)

* feat: add OpenInAppButton and macOS path opener

* feat: filter installed apps on macOS and use in OpenInAppButton

* feat: fetch and display macOS app icons in OpenInAppButton

* feat(desktop): cache and fetch installed macOS apps

* feat: add force refresh and retry for installed apps

* feat(OpenInAppButton): add Copy Path action in dropdown header

* feat: enhance caching mechanism for apps discovery

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Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/lib/api/types.ts

@@ -451,6 +451,7 @@ export interface SettingsPayload {
   diffViewMode?: 'single' | 'stacked';
   directoryShowHidden?: boolean;
   filesViewShowGitignored?: boolean;
+  openInAppId?: string;
 
   [key: string]: unknown;
 }