Yuk. Unfortunately I use these sorts of redirects all over the place in Moodle (eg after editing modules, making posts, etc) to save having "continue" buttons all the time.
It would be a hack, but one thing you could do is to look through the code for lines like:
header("Location: $CFG->wwwroot");
and replace them with lines like:
print_continue("$CFG->wwwroot");
which will print a "continue" button.