[ Update parameter file]

[Cohort age fusion can be set at 0.08 as default. It will not
be used if age tracking is off. It will get adjusted if age tracking is on. ]

Fixes: [NGT-ED Github issue #]

User interface changes?: [No]

Code review: [Names]

Test suite: [suite name, machine, compilers]
Test baseline:
Test namelist changes:
Test answer changes: [bit for bit, roundoff, climate changing]
Test summary:No testing.

parameter_files/fates_params_default.cdl

@@ -1234,7 +1234,7 @@ data:
 
  fates_canopy_closure_thresh = 0.8 ;
 
- fates_cohort_age_fusion_tol = _ ;
+ fates_cohort_age_fusion_tol = 0.08 ;
 
  fates_cohort_size_fusion_tol = 0.08 ;