feat(tasks): Refactor series_reconstruct_task and add _stamp_derived_dataset for improved dataset handling

atlas/templates/atlas/series_viewer.html

@@ -212,7 +212,7 @@
                             <button class="btn btn-outline-warning btn-sm"
                                     data-bs-toggle="modal"
                                     data-bs-target="#truncate-series-modal">
-                                <i class="bi bi-scissors"></i> Truncate series
+                                <i class="bi bi-sliders"></i> Series tools
                             </button>
 
                             <div class="card mt-2">
@@ -255,7 +255,7 @@
             <div class="modal-dialog modal-dialog-centered modal-xl">
                 <div class="modal-content">
                     <div class="modal-header">
-                        <h5 class="modal-title">Series Optimization</h5>
+                        <h5 class="modal-title">Series Tools</h5>
                         <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                     </div>
                     <div class="modal-body">