Clear url + selected file path + refresh workspace upon discarding file on conflict

Author: AaronPlave

src/routes/workspaces/[workspaceId]/+page.svelte

@@ -1026,6 +1026,9 @@
     if (value.action === 'discard') {
       if ($activeDocumentPath === path) {
         activeDocument.close();
+        selectedFilePath = null;
+        confirmAndNavigate(null);
+        refreshWorkspaceContents();
       }
       return false;
     }