Incorrect error message on signTransaction calls

[yknl]

Component

Sats connect sign transaction prompt

Severity

Choose one:

• Trivial (Some UI issue)

Summary

When PSBT transaction signing fails, the message should be "Failed to sign transaction" instead of "Transaction failed"

Reproduce steps

1. Run the sats connect example app https://github.com/secretkeylabs/sats-connect-example
2. Try to sign the example partially signed transaction with the wallet as is
3. See error after confirming the signing.

Expected result

show correct error message

Actual result

incorrect error message

Remark

(Optional)