Increase the decimal percentage on discount on invoice line, also allow branch users to use the GL Batch processing module on voucher management for branches

When branches have volume of GL transaction, they should be able to use the batch processing to do that, then use the batch approval to process, but currently, at the batch approval, transactions are not seen at branch level, but at All Branches, when you proceed to process, the transaction post to ALL BRANCHES, which shouldn't be.