Update AppImage 1.2.1.3

AppImage/scripts/flask_server.py

@@ -11789,20 +11789,6 @@ if __name__ == '__main__':
                 # `::` binds IPv6 + IPv4 (v4-mapped) on Linux when
                 # net.ipv6.bindv6only=0 (the default). Issue #192 — IPv4-only
                 # listening broke ProxMenux on dual-stack / v6-only hosts.
-                #
-                # NOTE: a prior version subclassed WSGIServer here to
-                # silence SSL handshake errors (memory leak workaround
-                # for clients opening ws:// against this https endpoint).
-                # The subclass interfered with gevent's SSL flow-control
-                # exceptions (SSLWantReadError) and caused
-                # ConcurrentObjectUseError on the wss handshake of
-                # /ws/script/<id>, which manifested only on clients that
-                # close the WS connection mid-handshake (iPad Safari for
-                # the updates modal). Since the root cause of the memory
-                # leak was fixed client-side in lib/terminal-ws.ts
-                # (getWsUrl now opens wss:// instead of ws:// against
-                # the https endpoint), the original SSL handshake errors
-                # are rare and the default gevent behaviour is fine.
                 server = pywsgi.WSGIServer(
                     ('::', 8008),
                     app,