fix(connector-fabric): decode blocks in getTransactionReceiptByTxID()

[petermetz]

Since commit 8c030ae we have to
manually decode the protocol buffer block data because the
querySystemChainCode() does not do it for us by default anymore.

This was causing some type-checks to fail in getTransactionReceiptByTxID()
which were explicitly guarding against receiving Buffers as responses
but now the only thing we receive from the query system chain code method
is exactly Buffer type objects.

Signed-off-by: Peter Somogyvari [email protected]

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[outSH]

LGTM, sorry for missing this case

[petermetz]

LGTM, sorry for missing this case

@outSH It's all good, a lot of them slips past me too. I'm hoping to have the CI go full green soon and then we can turn all (or at least more than now) checks back to being "required". And then these kind of issues will get caught automatically (or at least most of them hehe) :-)

Thank you for the swift review, very much appreciated!