move dispersal timing call inside cadence check

The dispersal timing call utilizes a function that is not initialized
unless the mode has been initialized.  If it is included along with
the cadence check as it was setup previously, the timing call will
fail having not been initialized.

src/utils/clmfates_interfaceMod.F90

@@ -1410,8 +1410,9 @@ subroutine wrap_update_hlmfates_dyn(this, nc, bounds_clump,      &
           g = col%gridcell(c)
 
           ! Accumulate seeds from sites to the gridcell local outgoing buffer
-          if (fates_seeddisp_cadence .ne. fates_dispersal_cadence_none .and. IsItDispersalTime()) then
-             this%fates_seed%outgoing_local(:,g) = this%fates(nc)%sites(s)%seed_out(:)
+          if (fates_seeddisp_cadence .ne. fates_dispersal_cadence_none) then
+             if (IsItDispersalTime()) this%fates_seed%outgoing_local(:,g) = &
+                                      this%fates(nc)%sites(s)%seed_out(:)
           end if
 
           ! Other modules may have AI's we only flush values