Fix bitcoin-qt -version output formatting
Summary:
This PR makes command line output of bitcoin-qt -version formatted in the same way as bitcoind -version output.
This is a backport of Core PR14521
Test Plan: src/qt/bitcoin-qt -version
Reviewers: #bitcoin_abc, Fabien
Reviewed By: #bitcoin_abc, Fabien
Differential Revision: https://reviews.bitcoinabc.org/D8352