Allow Making Changes to GGMU Grid

(ID# 1736) This G/L option in Options Configuration determines whether you are available to make changes to the following fields in the General Journal Transaction (GGMU) grid:
- Credit Amount
- Debit Amount
- Source
- Reference
- Reverse Next Period
- Auto Distribution
- Counter Balance
- Invoice Number
- Voucher Number
- Check Number
- Bank Code
- PO Number
- Vendor Code

If this option is set to No, you can NOT make any changes to the above mentioned fields, but you can still make changes to following fields in GGMU:
- Credit Amount
- Debit Amount
- Source
- Reference
- Reverse Next Period
- Auto Distribution
- Counter Balance