@Taco888 - Could you please try to use location.reload after initializing Microsoft teams. Could you please try this code
<! DOCTYPE html>
<html>
<body>
<input type="button" name="Button" value="Click" onclick="onClick()">
<script type="text/javascript">
microsoftTeams.initialize();
function onClick() {
location.reload();
}
</script>
</body>
</html>
