Fix sessions (#2689)

* add loggedIn key to sessions

* show loggedIn timestamp in list

* don't double hash active session

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Co-authored-by: Aiden McClelland <me@drbonez.dev>

core/startos/src/util/sync.rs

@@ -6,4 +6,7 @@ impl<T> SyncMutex<T> {
     pub fn mutate<F: FnOnce(&mut T) -> U, U>(&self, f: F) -> U {
         f(&mut *self.0.lock().unwrap())
     }
+    pub fn peek<F: FnOnce(&T) -> U, U>(&self, f: F) -> U {
+        f(&*self.0.lock().unwrap())
+    }
 }