FIX: don't count users as replying long after they are done typing

Also, don't leak a large amount of redis usage for presence stuff

plugins/discourse-presence/spec/requests/presence_controller_spec.rb

@@ -85,7 +85,7 @@ describe ::Presence::PresencesController do
       expect(data).to eq({})
     end
 
-    it "doesn't send duplicate messagebus messages" do
+    it "does send duplicate messagebus messages" do
       messages = MessageBus.track_publish do
         post '/presence/publish.json', params: {
           current: { compose_state: 'open', action: 'edit', post_id: post1.id }
@@ -100,7 +100,8 @@ describe ::Presence::PresencesController do
         }
       end
 
-      expect(messages.count).to eq(0)
+      # we do this cause we also publish time
+      expect(messages.count).to eq(1)
     end
 
     it "clears 'previous' state when supplied" do