fix: resolve P0 and P1 audit findings

- Fix state corruption on deleted queues in frontend
- Prevent concurrent dispatch of duplicate downloads
- Fix file paths when deleting native downloads
- Ensure pausing and resuming items persist state to database
- Remove duplicate IPC invocations for speed limits
- Stop PropertiesModal from resetting inputs during download progress
- Switch aria2 secret to use secure v4 UUID
- Fix SSRF vulnerability in fetch_metadata via DNS rebinding block
- Resolve race condition when reading media download logs
- Gracefully handle panics when acquiring prevent sleep lock
- Rate limit native downloads respecting global settings
- Enforce TLS certificate validation in backend requests

src/store/useSettingsStore.ts

@@ -233,11 +233,9 @@ export const useSettingsStore = create<SettingsState>()(
       setDefaultDownloadPath: (path) => set({ defaultDownloadPath: path }),
       setMaxConcurrentDownloads: (max) => {
         set({ maxConcurrentDownloads: max });
-        invoke('set_concurrent_limit', { limit: max }).catch(console.error);
       },
       setGlobalSpeedLimit: (limit) => {
         set({ globalSpeedLimit: limit });
-        invoke('set_global_speed_limit', { limit: limit === '' || limit === '0' ? null : limit }).catch(console.error);
       },
       setActiveView: (view) => set({ activeView: view }),
       setActiveSettingsTab: (activeSettingsTab) => set({ activeSettingsTab }),