Duplicated name FOO in error report when exporting foo, Foo, FOO

[abrudz]

Describe the bug
Duplicated name FOO when exporting foo, Foo, FOO

To Reproduce

      FOO←Foo←foo←{⍵ ⍵}
      ]create # \t\foo
ERRORS ENCOUNTERED: ⎕SE.Link.Create: File name case clash - try using caseCode←1:
#.FOO
#.Foo
#.FOO
#.foo

Expected behaviour
One of each name.

Desktop (please complete the following information):

• OS: Windows 11 (10.0.26200) 64-bit
• APL version: 20.0.53342 64-bit Unicode
• ⎕SE.Link.Version: 4.2.2