* feat: Validity for Item taxes
* fix: Trigger for gst hsn code
* fix: Sort taxes based on validity
* fix: Validation for item tax template and filters based on validity
* fix: Add missing semicolon
* fix: Validate tax template only if item code available
* fix: Do not validate or filter item tax template if no item taxes applied
* fix: Consider item group for validating taxes
* fix: Test cases for item tax validation
* fix: Item tax template filtering fixes
* fix: Add missing semicolon
* fix: Remove unnecessary query
* Add discount_amount and base_discount_amount in Sales Invoice Item
* Add patch for existing documents
* Discount amount field in all child tables of Purchase and Selling
* Remove console statements
* [IMPROVEMENT] Item Price New Fields and Features
* [IMPROVEMENT] Item Price
- Item Price insert against Qty, Supplier/Customer, Validup/Validfrom
- Stock Setting to accept Default Price List for Purchase or Sales Item
- Move Item Section in Item Price
* Fetch default Item Price based on Customer as null
* test fixes
* Code cleanup and fixed the issue of incorrect item price fetched against the customer
* Removed min qty from packing_increment calculation
* Removed auto_update_price_list_rate from the stock settings
* Revert sales_order.json changes
* Removed sales, purchase price list from stock settings because this fields are already available in selling, buying settings
* Removed unnecessory file
* Fixed item price validation code
* Make last purchase rate button visible until submitted
* Move buttons
- Get last purchase rate and link to material request buttons moved to toolbar under Tools button
* Remove disable fetch last rate functionality
* Make last purchase rate field read_only
- Creaete Sales or Purchase order from the blanket order
- If there is any blanket order for the customer/supplier rates will be fetched from that order
- Manually selecting the Blanket order will change the rates accordingly
- Upon submission of the order, the ordered qty will be updated in the Blanket Order
