Fix for when TZUTC is gibberish, and use file hexdump in pkt debug

app/Classes/FTN/Message.php

@@ -839,7 +839,7 @@ class Message extends FTNBase
 				}
 			}
 
-			elseif ($t = $this->kludge('TZUTC: ',$kl))
+			elseif (($t = $this->kludge('TZUTC: ',$kl)) && is_numeric($t))
 				$this->tzutc = $t;
 
 			elseif ($t = $this->kludge('MSGID: ',$kl))

resources/views/pkt.blade.php

@@ -161,7 +161,7 @@
 											<div id="collapse_hex_{{ $loop->parent->parent->index }}" class="accordion-collapse collapse" aria-labelledby="packetdebug_{{ $loop->parent->parent->index }}" data-bs-parent="#accordion_file_{{ $loop->parent->parent->index }}">
 												<div class="accordion-body">
 <pre>
-{{ hex_dump($msg) }}
+{{ $hexdump }}
 </pre>
 												</div>
 											</div>