invert colouring logic for SSNR

            try:

                if float(curr) > float(prev):

                    curr += f" {ARROW_UP}"

                    td_tmpl_curr = TD_TMPL_INCREASE

                    # increase is bad -> mark in red, execpt for SNR for which it is good -> mark in green

                    td_tmpl_curr = TD_TMPL_REDUCE if c == "MIN_SSNR" else TD_TMPL_INCREASE

                elif float(curr) < float(prev):

                    curr += f" {ARROW_DOWN}"

                    td_tmpl_curr = TD_TMPL_REDUCE

                    # reduce is good -> mark in green, execpt for SNR for which it is bad -> mark in red

                    td_tmpl_curr = TD_TMPL_INCREASE if c == "MIN_SSNR" else TD_TMPL_REDUCE

            except ValueError:

                # if we land here, one of the cells is not a number, this indicates a crash

                # or some error in the scripts, so mark with red as well