when ISWCAL=0 the dependency is not defined (because is not needed)
Description of Work
Fixes #95
Testing Instructions
raise atmospheric pCO2 to 2000 (as the difference is noticed only for low O3_om_cal)
run GOTM-ERSEM with normal fabm.yaml
run GOTM-ERSEM setting ISWCAL to 0, set new parameter fdiss to the same value of fdissmin, comment definitions of parameters fdissmax, ndiss, fidssmin and the coupling to O3/om_cal
compare the result (run with ISWCAL = 0 has higher bL2_c)
when ISWCAL=0 the dependency is not defined (because is not needed)
Description of Work
Fixes #95
Testing Instructions