Donation with the same QR won't appear in project donation list

[maryjaf]

The users be able to donate to a project twice with one QR code In this situation one of these donations is shown in project donations and user donations list

for example these two transaction was made by a QR code and the one of them is shown in project donation table

Transaction ad504d24e7b83b0e22f152b4643361756dcbbee1c4aac0371137b806bf6e6c46

Transaction d02a1bf00da3ffcc344d4700ff2dfadfe3d28bd981a8765565a8fcf27babd305 (it is shown in list of project donation)

cc: @MoeNick