UPDATE!!!
i enabled the service-mapper in debug subsystems. it seems to be ignoring the settings in the channel mapping settings.
My TVH version is: HTS Tvheadend 4.3-1983~gb8710206e
here is what the output says:
2021-12-15 12:32:23.255 mpegts: 506MHz in digi - tuning on TurboSight TBS 6590 DVB-S/S2/S2X/T/T2/C/C2/ISDB-T + #1 : DVB-C #0
2021-12-15 12:32:23.255 subscription: 0225: "service_mapper" subscribing to service "digi/506MHz/Cinemaraton HD", weight: 7, adapter: "TurboSight TBS 6590 DVB-S/S2/S2X/T/T2/C/C2/ISDB-T + #1 : DVB-C #0", network: "digi", mux: "506MHz", provider: "SES", client="service_mapper"
2021-12-15 12:32:23.405 subscription: 0225: "service_mapper" unsubscribing, client="service_mapper"
2021-12-15 12:32:23.406 service-mapper: digi/506MHz/Cinemaraton HD: generated tidy_name [Cinemaraton] from [Cinemaraton HD]
2021-12-15 12:32:23.406 service-mapper: digi/506MHz/Cinemaraton HD: success