Dmitrii Mironov authored May 26, 2025 and Sergey Kosukhin committed May 27, 2025

https://gitlab.dkrz.de/icon/icon/-/merge_requests/654



Enables using spun-up FLake variables from first guess in MODE_COMBINED (i.e. IFS atmosphere with ICON soil).

Approved-by: Daniel Reinert <daniel.reinert@dwd.de>
Merged-by: Daniel Rieger <daniel.rieger@dwd.de>