Fix Riot session aborts, CDN downloads and hidden client recovery

scripts/desktop-run.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+# Preserve diagnostics when a menu launcher has no terminal attached.
+set -eu
+umask 077
+repo=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
+mkdir -p "$repo/build"
+log="$repo/build/desktop-launch.log"
+touch "$log"
+chmod 600 "$log"
+exec >>"$log" 2>&1
+exec "$repo/scripts/run.sh" "$@"