[bisq-network/bisq] Error when trying to confirm payment reciept (#4252)

[jeforson]

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### Description

<!-- brief description of the bug -->
Cannot Confirm Payment Reciept
#### Version

<!-- commit id or version number -->
1.3.4
### Steps to reproduce

<!--if you can reliably reproduce the bug, list the steps here  -->
Currently on step 3 of a trade where I am the BTC seller.  The buyer has sent me the money but now when I click "Confirm Payment Receipt", I get an error and it won't send confirmation and close the trade out.
### Expected behaviour

<!--description of the expected behavior -->
Allowing me to confirm I got money and to close the trade out.
### Actual behaviour

<!-- explain what happened instead of the expected behaviour -->
Giving an error
### Screenshots

<!--Screenshots if gui related, drag and drop to add to the issue -->
see attached
[Doc1.docx](https://github.com/bisq-network/bisq/files/4606163/Doc1.docx)

#### Device or machine

<!-- device/machine used, operating system -->
Windows 10


#### Additional info

<!-- Additional information useful for debugging (e.g. logs) -->


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https://github.com/bisq-network/bisq/issues/4252
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