1.43: cur: with balance commands has broken

[simonmichael]

2025-06-03
 a  1 A
 a  1 B
 b

Old behavior:

$ hledger -f /tmp/test.journal bal cur:A -N
                 1 A  a
                -1 A  b

New behavior:

$ hledger bal -f /tmp/test.journal cur:A -N
                 1 A  a
                -1 A
                -1 B  b

Originally posted by @aragaer in #2387 (comment)

Yikes! You found a hole in our tests. Thanks @aragaer!

Related: #2371

[simonmichael]

(Please claim your https://hledger.org/REGRESSIONS.html#regression-finder-bounty when ready.)

[aragaer]

Actually it also broke amt: queries. Using the same journal file:

$ hledger bal -f /tmp/test.journal 'amt:>0' -N
                 1 A
                 1 B  a
                 1 B  b
$ hledger bal -f /tmp/test.journal 'amt:<0' -N
                -1 B  a
                -1 A
                -1 B  b