fix: hide called off assignments from timeline, adjust status colors

src/Service/Assignment/TimelineService.php

@@ -18,6 +18,11 @@ class TimelineService
         $rows = [];
 
         foreach ($assignments as $assignment) {
+            // exclude called off assignments
+            // TODO: refactor filtering to do this on database level
+            if (Assignment::STATUS_CALLED_OFF === $assignment->getStatus()) {
+                continue;
+            }
             $destination = $assignment->getDestination();
             $hotelCode = $destination->getHotelCodeNormalized();