[ModLog API] Add default casetypes, remove need for a specific auditlog action (#2901)

* I know this needs a changelog entry and docs still

* update tests for new behavior

* update docs, filter; add changelog

* Ready for review

* stop fetching the same Audit logs when the bot is the mod

* I forgot to press save

* fix a comprehension

* Fix AttributeError

* And the other place that happens

* timing fixes

redbot/pytest/mod.py

@@ -5,11 +5,11 @@ __all__ = ["mod"]
 
 
 @pytest.fixture
-async def mod(config, monkeypatch):
+async def mod(config, monkeypatch, red):
     from redbot.core import Config
 
     with monkeypatch.context() as m:
         m.setattr(Config, "get_conf", lambda *args, **kwargs: config)
 
-        await modlog._init()
+        await modlog._init(red)
         return modlog