Fix: export only items that are added to offer group (RTC-45038)

'Export to excel' button in toolbar of 'Manage items' view export only the items that are in offer. Buttons in modal above grid should be used to export items not added due to missing price and due to price lock.

Fix: deserialization errors on contract violation (RTC-46350)

Merger does not fail when JSON row has wrong case of letters in variable name, string format instead of number, number instead of string format.

Incorrect state of offer copy (RTC-42776)

Copy of offer is no longer incorrectly marked as 'incomplete due to missing offer details' when it has all details filled in.

Validation of price lock period on offer (RTC-45039)

It is not possible to set past date for price lock on offer in planned promotion. If there is already ongoing price lock set up, its start date cannot be moved backwards.

Import manual price locks from Excel (RTC-41917)

There is an Import excel file button in the "Items with price lock" view. 'Manage price locks' permission in required to see it.

After uploading the file 'ExcelItemPriceLockMerger' job is triggered. This job is scheduled for every 2 minutes by default.

The file may have the following columns (the same as in the exported file): 'SKU', 'GTIN', 'Item no.', 'Item text', 'Model no.', 'External model no.', 'Color text', 'Size text', 'Brand text', 'Locked from', 'Locked to', 'Manual', 'Store level', 'Store group code' and 'Store group name', but only item id ( 'SKU', 'GTIN' or 'Item no.'), 'Locked from', 'Locked to', 'Manual', 'Store level' and 'Store group code' are mandatory.

Not manual, duplicated, invalid lines and rows for store with no permission are skipped. Lookup is done by pair item id and store group level. If price lock exists, it is possible to modify the dates.