Add forced refresh button to DM list and update UI styles

- Add a refresh button to `ConversationList` header.
- Make DM sidebar background transparent.
- Update DM settings gear icon to match `VideoCard` style.
- Wire up refresh action in `ProfileModalController` to force-fetch messages.

js/ui/dm/AppShell.js

@@ -134,6 +134,7 @@ export class AppShell {
     onMarkAllRead,
     onToggleReadReceipts,
     onToggleTypingIndicators,
+    onRefreshConversations,
     onBack,
   } = {}) {
     if (!doc) {
@@ -162,6 +163,7 @@ export class AppShell {
     );
 
     const sidebar = createElement(doc, "aside", "dm-app-shell__sidebar");
+    sidebar.style.background = "transparent";
     const sidebarHeader = createElement(doc, "div", "dm-app-shell__sidebar-header flex items-center justify-between p-4 relative");
     const sidebarTitle = createElement(
       doc,
@@ -172,7 +174,7 @@ export class AppShell {
     sidebarHeader.appendChild(sidebarTitle);
 
     const settingsBtn = createElement(doc, "button", "btn-ghost btn-icon");
-    settingsBtn.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="3"></circle><path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"></path></svg>`;
+    settingsBtn.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="0" stroke-linecap="round" stroke-linejoin="round"><path d="M24,13.616L24,10.384C22.349,9.797 21.306,9.632 20.781,8.365L20.781,8.364C20.254,7.093 20.881,6.23 21.628,4.657L19.343,2.372C17.782,3.114 16.91,3.747 15.636,3.219L15.635,3.219C14.366,2.693 14.2,1.643 13.616,0L10.384,0C9.802,1.635 9.635,2.692 8.365,3.219L8.364,3.219C7.093,3.747 6.232,3.121 4.657,2.372L2.372,4.657C3.117,6.225 3.747,7.091 3.219,8.364C2.692,9.635 1.635,9.802 0,10.384L0,13.616C1.632,14.196 2.692,14.365 3.219,15.635C3.749,16.917 3.105,17.801 2.372,19.342L4.657,21.628C6.219,20.885 7.091,20.253 8.364,20.781L8.365,20.781C9.635,21.307 9.801,22.36 10.384,24L13.616,24C14.198,22.364 14.366,21.31 15.643,20.778L15.644,20.778C16.906,20.254 17.764,20.879 19.342,21.629L21.627,19.343C20.883,17.78 20.252,16.91 20.779,15.637C21.306,14.366 22.367,14.197 24,13.616ZM12,16C9.791,16 8,14.209 8,12C8,9.791 9.791,8 12,8C14.209,8 16,9.791 16,12C16,14.209 14.209,16 12,16Z" fill="currentColor" fill-rule="evenodd" clip-rule="evenodd"></path></svg>`;
     settingsBtn.ariaLabel = "Direct message settings";
     settingsBtn.addEventListener("click", (e) => {
       e.stopPropagation();
@@ -210,6 +212,7 @@ export class AppShell {
         state: conversationState,
         onSelect: onSelectConversation,
         onMarkAllRead,
+        onRefresh: onRefreshConversations,
       }),
     );