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

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" "${opts[@]}" "$@"

snap/snapcraft.yaml

@@ -194,7 +194,6 @@ apps:
       - removable-media
       - unity7
       - screen-inhibit-control
-      - password-manager-service
     environment:
       TMPDIR: $XDG_RUNTIME_DIR
       # Included temporarily until https://github.com/snapcore/snapcraft-desktop-integration/issues/28