build: fix desktop

Author: PatrickDinh

scripts/snap/create-desktop-file.sh

@@ -18,7 +18,7 @@ cat > "${RELEASE_DIR}/algokit-explorer.desktop" <<EOF
 Name=algokit-explorer
 Exec=algokit-explorer %U
 Terminal=false
-Icon=${SNAP}/icons/128x128.png
+Icon=\${SNAP}/icons/128x128.png
 Type=Application
 Comment=algokit-explorer
 EOF

scripts/snap/create-snapcraft-yaml.sh

@@ -52,6 +52,7 @@ parts:
 apps:
   algokit-explorer:
     command: algokit-explorer
+    desktop: algokit-explorer.desktop
     plugs:
       - desktop
       - desktop-legacy