feat: keep delegated filings in My Work (Closes #870)

frontend/index.html

@@ -135,6 +135,7 @@
             <button class="work-filter" data-work-filter="today" aria-pressed="false">Today <span data-work-count="today">0</span></button>
             <button class="work-filter" data-work-filter="agenda" aria-pressed="false">Agenda <span data-work-count="agenda">0</span></button>
             <button class="work-filter" data-work-filter="attention" aria-pressed="false">Attention <span data-work-count="attention">0</span></button>
+            <button class="work-filter" data-work-filter="filed" aria-pressed="false">Filed <span data-work-count="filed">0</span></button>
             <button class="work-filter" data-work-filter="issue" aria-pressed="false">Issues <span data-work-count="issue">0</span></button>
             <button class="work-filter" data-work-filter="pull" aria-pressed="false">PRs <span data-work-count="pull">0</span></button>
             <button class="work-filter" data-work-filter="review" aria-pressed="false">Reviews <span data-work-count="review">0</span></button>
@@ -433,6 +434,7 @@
     <p id="issue-filing-receipt-ownership"></p>
     <p id="issue-filing-receipt-status" class="small" aria-live="polite"></p>
     <div class="issue-filing-receipt-actions">
+      <button id="issue-filing-receipt-filed" type="button">View in Filed</button>
       <a id="issue-filing-receipt-open" class="button-link" href="#" target="_blank" rel="noopener noreferrer">Open in Gitea</a>
       <button id="issue-filing-receipt-share" type="button">Share link</button>
       <button id="issue-filing-receipt-related" type="button">File related issue</button>