Use logged timestamps during replay if deterministic timestamps are d…

…isabled

The old behavior reverted to reading the normal FPGA time, which will be very different during accelerated replay. Instead, use the logged time as a closer approximation.

junction/core/src/org/littletonrobotics/junction/Logger.java

@@ -349,7 +349,7 @@ public static boolean getReceiverQueueFault() {
    * entry (microseconds).
    */
   public static long getTimestamp() {
-    if (!running || entry == null || !deterministicTimestamps) {
+    if (!running || entry == null || (!deterministicTimestamps && !hasReplaySource())) {
       return getRealTimestamp();
     } else {
       return entry.getTimestamp();