Fix search params being dropped when redirected to non-deck path (#31984)

spec/lib/permalink_redirector_spec.rb

@@ -29,5 +29,20 @@ RSpec.describe PermalinkRedirector do
       redirector = described_class.new('@alice/123')
       expect(redirector.redirect_path).to eq 'https://example.com/status-123'
     end
+
+    it 'returns path for legacy status links with a query param' do
+      redirector = described_class.new('statuses/123?foo=bar')
+      expect(redirector.redirect_path).to eq 'https://example.com/status-123'
+    end
+
+    it 'returns path for pretty status links with a query param' do
+      redirector = described_class.new('@alice/123?foo=bar')
+      expect(redirector.redirect_path).to eq 'https://example.com/status-123'
+    end
+
+    it 'returns path for deck URLs with query params' do
+      redirector = described_class.new('/deck/directory?local=true')
+      expect(redirector.redirect_path).to eq '/directory?local=true'
+    end
   end
 end