keyringstorage: properly handle keyring fetching (#2108)

- if auto lock enabled, don't do anything and wait for lock password
- not try to overwrite and don't consider loaded when unlocking fails
- retry unlock and re fetch on demand (ai request)

dots/.config/quickshell/ii/scripts/keyring/is_unlocked.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+locked_state=$(busctl --user get-property org.freedesktop.secrets \
+    /org/freedesktop/secrets/collection/login \
+    org.freedesktop.Secret.Collection Locked)
+if [[ "${locked_state}" == "b false" ]]; then
+    echo 'Keyring is unlocked' >&2
+    exit 0
+else
+    echo 'Keyring is locked' >&2
+    exit 1
+fi