store: keys_at tells no map from an empty one

registry::exists counted any value at _continuum/users as a registry;
keys_at answers None where there is no map, and its users (records,
members, forget records, remakes) say what they make of it.

Auth plan M1 (fix).

1 files changed, 4 insertions, 0 deletions

diff --git a/src/remake/records.rs b/src/remake/records.rs
index 0c4c444..21b383c 100644
--- a/src/remake/records.rs
+++ b/src/remake/records.rs
@@ -360,6 +360,8 @@ pub(crate) fn load(doc: &impl ReadDoc, id: &str) -> Option<Record> {
 pub(crate) fn load_all(doc: &impl ReadDoc) -> Vec<(String, Record)> {
     let register = load_register(doc);
     store::keys_at(doc, &records_dir())
+        .ok()
+        .flatten()
         .unwrap_or_default()
         .into_iter()
         .filter_map(|id| {
@@ -434,6 +436,8 @@ fn register_path(voter: &str) -> Vec<String> {
 /// The votes register; unreadable entries are skipped with a warning.
 pub(crate) fn load_register(doc: &impl ReadDoc) -> Register {
     store::keys_at(doc, &meta::path(&[VOTES]))
+        .ok()
+        .flatten()
         .unwrap_or_default()
         .into_iter()
         .filter_map(|voter| {