[V124-specific] Deduct gas fees from InactiveVault balances too
[V124-specific]
Intended to close #1734 (closed)
'Automatic refunds make InactiveVaults insolvent'.
The [lint resolution] commits are retained to illustrate the reason for the final format;
I wish to stress that I am very happy that we have these lint checks!
Edited by Multipartite