WebUI: Add new Add Torrent experience

This PR uses the new APIs from #21015 to provide a WebUI Add Torrent experience more closely matching the GUI's.

New functionality:
- View torrent size, date, infohash, files, etc.
- Reprioritize and ignore files before adding
- Specify tags when adding torrent
- Specify save path for incomplete torrent

Closes #20557, closes #10997, closes #12499, closes #14201, closes #15071, closes #15718, closes #16207.
PR #21645.

src/webui/www/private/scripts/search.js

@@ -559,15 +559,10 @@ window.qBittorrent.Search ??= (() => {
     };
 
     const downloadSearchTorrent = () => {
-        const urls = [];
-        for (const rowID of searchResultsTable.selectedRowsIds())
-            urls.push(searchResultsTable.getRow(rowID).full_data.fileUrl);
-
-        // only proceed if at least 1 row was selected
-        if (!urls.length)
-            return;
-
-        showDownloadPage(urls);
+        for (const rowID of searchResultsTable.selectedRowsIds()) {
+            const { fileName, fileUrl } = searchResultsTable.getRow(rowID).full_data;
+            qBittorrent.Client.createAddTorrentWindow(fileName, fileUrl);
+        }
     };
 
     const manageSearchPlugins = () => {