HACK: also ignore the historical gitter AS

Author: sandhose

crates/syn2mas/src/migration.rs

@@ -932,6 +932,7 @@ fn is_likely_appservice(localpart: &str) -> bool {
         || localpart.starts_with("freenode_")
         || localpart.starts_with("slack_")
         || localpart.starts_with("torn_")
+        || localpart.starts_with("gitter_")
         // HACK(matrix.org): Sender localparts of those appservices
         || localpart == "bifrost"
         || localpart == "appservice-irc"
@@ -940,4 +941,5 @@ fn is_likely_appservice(localpart: &str) -> bool {
         || localpart == "snoonet-irc"
         || localpart == "torn-irc"
         || localpart == "scalar"
+        || localpart == "gitterbot"
 }