fix: use --password-store=basic when launching Signal

See #300
An upstream Chrome issue blocks the correct inovation of libsecret from within
snap/flatpak environments, which means that Signal loses access to the encryption
key used to encrypt the local database, and needs to be re-linked (losing all message
history) every time it's launched.

snap/local/usr/bin/signal-desktop-wrapper

@@ -8,12 +8,21 @@ set -euo pipefail
 tray_icon="$(snapctl get tray-icon)"
 
 # Define an array of command line options
-opts=()
+opts=(
+    # Don't run the chrome sandbox inside the snap environment, rely on AppArmor confinement
+    "--no-sandbox"
+    # See https://github.com/snapcrafters/signal-desktop/issues/300
+    # An upstream Chrome issue blocks the correct inovation of libsecret from within
+    # snap/flatpak environments, which means that Signal loses access to the encryption
+    # key used to encrypt the local database, and needs to be re-linked (losing all message
+    # history) every time it's launched.
+    "--password-store="basic"
+)
 
 # If the the tray icon is enabled, add to the list of command line args
 if [[ "${tray_icon}" == "true" ]]; then
     opts+=("--use-tray-icon")
 fi
 
 # Run signal-desktop with the gathered arguments
-exec "${SNAP}/opt/Signal/signal-desktop" "--no-sandbox" "${opts[@]}" "$@"
+exec "${SNAP}/opt/Signal/signal-desktop" "${opts[@]}" "$@"