feat(ux): improve the desktop shortcut

[bitcoin-tools]

Describe the changes and your approach

Verification Checklist

• I performed a self-review of my changes and approve them.
• I checked of the automated test results for any irregularities.
• I manually tested the code changes on my local environment.
• I considered changes to the README or test docs. (Check if not applicable.)

[bitcoin-tools]

Original shortcut details:

[Desktop Entry]
Name=Bitcoin Core
Comment=Launch Bitcoin Core
Exec=sh -c 'if command -v bitcoin-qt >/dev/null 2>&1; then bitcoin-qt; else bitcoind --daemonwait; fi'
Icon=${SHORTCUT_IMAGE_FILE}
Terminal=false
StartupWMClass=Bitcoin Core
Type=Application
Categories=Application;
MimeType=application/bitcoin-paymentrequest;application/bitcoin-payment;application/bitcoin-paymentack;x-scheme-handler/bitcoin;

[bitcoin-tools]

New shortcut details:

[Desktop Entry]
Version=1.0
Name=Bitcoin Core
Comment=Connect to the Bitcoin P2P Network
Comment[de]=Verbinde mit dem Bitcoin peer-to-peer Netzwerk
Comment[fr]=Bitcoin, monnaie virtuelle cryptographique pair à pair
Comment[tr]=Bitcoin, eşten eşe kriptografik sanal para birimi
Exec=sh -c 'if command -v bitcoin-qt >/dev/null 2>&1; then bitcoin-qt; else bitcoind --daemonwait; fi'
Terminal=false
Type=Application
Icon=${SHORTCUT_IMAGE_FILE}
MimeType=x-scheme-handler/bitcoin;
Categories=Office;Finance;P2P;Network;Qt;
StartupWMClass=Bitcoin-qt