Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl/STM32WL5x_CM4/TIM1/OR1#0x0
option register 1
TIM1_ETR_ADC1 remapping capability
Input Capture 1 remap
https://github.com/modm-io/cmsis-svd-stm32