rename fullnames

Handle a couple places with `t3_` that persisted from code movement.
on master after time of branch.

Then, fix commenting, which used inaccurate fullname parsing logic.

files/classes/comment.py

@@ -139,7 +139,7 @@ class Comment(CreatedBase):
 	@property
 	@lazy
 	def fullname(self):
-		return f"t3_{self.id}"
+		return f"comment_{self.id}"
 
 	@property
 	@lazy
@@ -151,8 +151,8 @@ class Comment(CreatedBase):
 	@property
 	@lazy
 	def parent_fullname(self):
-		if self.parent_comment_id: return f"t3_{self.parent_comment_id}"
-		elif self.parent_submission: return f"t2_{self.parent_submission}"
+		if self.parent_comment_id: return f"comment_{self.parent_comment_id}"
+		elif self.parent_submission: return f"post_{self.parent_submission}"
 
 	def replies(self, user):
 		if self.replies2 != None: return [x for x in self.replies2 if not x.author.shadowbanned]

files/classes/submission.py

@@ -164,7 +164,7 @@ class Submission(CreatedBase):
 	@property
 	@lazy
 	def fullname(self):
-		return f"t2_{self.id}"	
+		return f"post_{self.id}"	
 
 	@property
 	@lazy

files/classes/user.py

@@ -243,7 +243,7 @@ class User(CreatedBase):
 	@property
 	@lazy
 	def fullname(self):
-		return f"t1_{self.id}"
+		return f"user_{self.id}"
 
 	@property
 	@lazy