[feature] Process outgoing Move from clientAPI (#2750)

* prevent moved accounts from taking create-type actions

* update move logic

* federate move out

* indicate on web profile when an account has moved

* [docs] Add migration docs section

* lock while checking + setting move state

* use redirectFollowers func for clientAPI as well

* comment typo

* linter? i barely know 'er!

* Update internal/uris/uri.go

Co-authored-by: Daenney <daenney@users.noreply.github.com>

* add a couple tests for move

* fix little mistake exposed by tests (thanks tests)

* ensure Move marked as successful

* attach shared util funcs to struct

* lock whole account when doing move

* move moving check to after error check

* replace repeated text with error func

* linterrrrrr!!!!

* catch self follow case

---------

Co-authored-by: Daenney <daenney@users.noreply.github.com>

internal/db/bundb/move.go

@@ -177,21 +177,31 @@ func (m *moveDB) getMove(
 	}
 
 	// Populate the Move by parsing out the URIs.
+	if err := m.PopulateMove(ctx, move); err != nil {
+		return nil, err
+	}
+
+	return move, nil
+}
+
+func (m *moveDB) PopulateMove(ctx context.Context, move *gtsmodel.Move) error {
 	if move.Origin == nil {
+		var err error
 		move.Origin, err = url.Parse(move.OriginURI)
 		if err != nil {
-			return nil, fmt.Errorf("error parsing Move originURI: %w", err)
+			return fmt.Errorf("error parsing Move originURI: %w", err)
 		}
 	}
 
 	if move.Target == nil {
+		var err error
 		move.Target, err = url.Parse(move.TargetURI)
 		if err != nil {
-			return nil, fmt.Errorf("error parsing Move originURI: %w", err)
+			return fmt.Errorf("error parsing Move targetURI: %w", err)
 		}
 	}
 
-	return move, nil
+	return nil
 }
 
 func (m *moveDB) PutMove(ctx context.Context, move *gtsmodel.Move) error {