patch 8.2.4308: Vim9: cannot list autoload function

Problem:    Vim9: cannot list autoload function.
Solution:   Don't give an error for using # when listing a function.
            (closes #9703)
diff --git a/src/testdir/test_vim9_import.vim b/src/testdir/test_vim9_import.vim
index be453c6..1e8851e 100644
--- a/src/testdir/test_vim9_import.vim
+++ b/src/testdir/test_vim9_import.vim
@@ -1886,6 +1886,10 @@
       assert_equal('other', g:result)
 
       assert_equal('arg', call('another.RetArg', ['arg']))
+
+      verbose function another.Getother
+      # should we disallow this?
+      verbose function another#Getother
   END
   v9.CheckScriptSuccess(lines)