get all missing ids from all timelines

before we were only fetching missing profiles from the first timeline,
update the logic to pull both missing authors and ids from all timelines

Signed-off-by: William Casarin <jb55@jb55.com>

enostr/src/event.rs

@@ -82,6 +82,10 @@ impl std::str::FromStr for Event {
 pub struct EventId([u8; 32]);
 
 impl EventId {
+    pub fn new(id: [u8; 32]) -> Self {
+        EventId(id)
+    }
+
     pub fn hex(&self) -> String {
         hex::encode(self.bytes())
     }