invisibleify completely removed trees only (fixes #431) (#535)

* invisibleify completely removed trees only (fixes #431)

* fix visibility state for shadowbanned users.
this also ends up moving some of the complexity out of the templates.

* comments: remove unused variable

* moderation state machine

* no seriously this really should check for v not being None

* fix shadowban state

* fix visibility state

* update stateful counters

* don't use bespoke function for show_descendants

* properly mock ModerationState for cron submissions

* fix approval discrepency

* remove treenukes for removed comments

* show shadowbans as removed

files/classes/submission.py

@@ -11,7 +11,7 @@ from files.helpers.assetcache import assetcache_path
 from files.helpers.config.const import *
 from files.helpers.config.environment import (SCORE_HIDING_TIME_HOURS, SITE,
                                               SITE_FULL, SITE_ID)
-from files.helpers.content import body_displayed
+from files.helpers.content import ModerationState, body_displayed
 from files.helpers.lazy import lazy
 from files.helpers.time import format_age, format_datetime
 
@@ -360,3 +360,7 @@ class Submission(CreatedBase):
 	@property
 	def edit_url(self) -> str:
 		return f"/edit_post/{self.id}"
+	
+	@property
+	def moderation_state(self) -> ModerationState:
+		return ModerationState.from_submittable(self)