Fix quote posts with CW and no text being rejected

Fixes #36077

spec/lib/activitypub/activity/create_spec.rb

@@ -887,6 +887,33 @@ RSpec.describe ActivityPub::Activity::Create do
         end
       end
 
+      context 'with an unverifiable quote of a known post, with summary (CW) but no text' do
+        let(:quoted_status) { Fabricate(:status, account: Fabricate(:account, domain: 'example.com')) }
+
+        let(:object_json) do
+          build_object(
+            type: 'Note',
+            summary: 'beware of what she said',
+            content: nil,
+            quote: ActivityPub::TagManager.instance.uri_for(quoted_status)
+          )
+        end
+
+        it 'creates a status with an unverified quote' do
+          expect { subject.perform }.to change(sender.statuses, :count).by(1)
+
+          status = sender.statuses.first
+          expect(status).to_not be_nil
+          expect(status.spoiler_text).to eq 'beware of what she said'
+          expect(status.content).to eq ''
+          expect(status.quote).to_not be_nil
+          expect(status.quote).to have_attributes(
+            state: 'pending',
+            approval_uri: nil
+          )
+        end
+      end
+
       context 'with an unverifiable quote of a known post' do
         let(:quoted_status) { Fabricate(:status) }