Move back to canonicalising public as "as:Public"

activities/models/post.py

@@ -647,9 +647,9 @@ class Post(StatorModel):
         # Targeting
         # TODO: Add followers object
         if self.visibility == self.Visibilities.public:
-            value["to"].append("Public")
+            value["to"].append("as:Public")
         elif self.visibility == self.Visibilities.unlisted:
-            value["cc"].append("Public")
+            value["cc"].append("as:Public")
         # Mentions
         for mention in self.mentions.all():
             value["tag"].append(mention.to_ap_tag())

core/ld.py

@@ -600,7 +600,6 @@ def canonicalise(json_data: dict, include_security: bool = False) -> dict:
             "focalPoint": {"@container": "@list", "@id": "toot:focalPoint"},
             "Hashtag": "as:Hashtag",
             "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
-            "Public": "as:Public",
             "sensitive": "as:sensitive",
             "toot": "http://joinmastodon.org/ns#",
             "votersCount": "toot:votersCount",