budget report with --layout=bare shows rows with no commodity and zero value

[thielema]

$ cat hledger-journal-budget-bare
~ monthly from 2024-06-01  Periodic
    Forderung   42 Euro
    Erloes

2024-04-01 Dummy

2024-08-01 Bla
    Bank  42 Euro
    Forderung

$ hledger -f hledger-journal-budget-bare balance --budget --layout=bare
Budget performance in 2024-04-01..2024-08-01:

              || Commodity  2024-04-01..2024-08-01 
==============++===================================
 <unbudgeted> || Euro            42                
 Erloes       ||                  0 [           0] 
 Erloes       || Euro             0 [        -126] 
 Forderung    || Euro           -42 [-33% of  126] 
--------------++-----------------------------------
              || Euro             0 [           0]