[Backport] Same product quantity not increment when added with guest user. #21375 #22378
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Original Pull Request
#21501
Description (*)
This issue is because of additional buy request parameters while we adding product from product view page.
After customer login Magento will load customer quote and merge this into current quote, while merging quotes, it will compare quote items.
quoteOptionFromViewPage
array ( 'info_buyRequest' => array ( 'product' => '1', 'item' => '1', ), )
quoteOptionFromListingPage
array ( 'info_buyRequest' => array ( 'product' => '1', ), )
Item comparison failed because of 'item' parameter in the buy request. Same issue will happen if we add related products along with main products.
Fixed Issues (if relevant)
Manual testing scenarios (*)
Contribution checklist (*)