change export as gpml of unknown reaction to line-arrow-solid
Currently 'Unknown reaction' is exported as gpml to 'mim-gap reaction'.
Please export 'Unknown reaction' as gpml to line-arrow-solid (the same way as state transition).
Currently 'Unknown reaction' is exported as gpml to 'mim-gap reaction'.
Please export 'Unknown reaction' as gpml to line-arrow-solid (the same way as state transition).