Again reorder the initialization in gnucash-bin: gtk_init_check must be called before gnc_module_system_init.

This commit reverts parts of r22399, because the gtk_init after
module_system_init caused some messed-up locale settings in dependent
modules (in particular, the aqbanking module).

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@22828 57a11ea4-9604-0410-9ed3-97b8803252fd