Change silences to always require approval on follow (#11975)

* Change silenced accounts to require approval on follow

* Also require approval for follows by people explicitly muted by target accounts

* Do not auto-accept silenced or muted accounts when switching from locked to unlocked

* Add `follow_requests_count` to verify_credentials

* Show “Follow requests” menu item if needed even if account is locked

* Add tests

* Correctly reflect that follow requests weren't auto-accepted when local account is silenced

* Accept follow requests from user-muted accounts to avoid leaking mutes

spec/services/follow_service_spec.rb

@@ -30,6 +30,33 @@ RSpec.describe FollowService, type: :service do
       end
     end
 
+    describe 'unlocked account, from silenced account' do
+      let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob')).account }
+
+      before do
+        sender.touch(:silenced_at)
+        subject.call(sender, bob.acct)
+      end
+
+      it 'creates a follow request with reblogs' do
+        expect(FollowRequest.find_by(account: sender, target_account: bob, show_reblogs: true)).to_not be_nil
+      end
+    end
+
+    describe 'unlocked account, from a muted account' do
+      let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob')).account }
+
+      before do
+        bob.mute!(sender)
+        subject.call(sender, bob.acct)
+      end
+
+      it 'creates a following relation with reblogs' do
+        expect(sender.following?(bob)).to be true
+        expect(sender.muting_reblogs?(bob)).to be false
+      end
+    end
+
     describe 'unlocked account' do
       let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob')).account }