fix https://github.com/sagemathinc/cocalc/issues/1984 -- jupyter changes timetravel view
fix https://github.com/sagemathinc/cocalc/issues/1984 -- jupyter changes timetravel view

tscholl2/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc,sagemathinc/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc,tscholl2/smc,sagemathinc/smc,DrXyzzy/smc,DrXyzzy/smc