Fix drag drop lists. Part 1.

Thanks to xet7 !

Related #5951

client/components/lists/list.css

@@ -191,6 +191,11 @@ body.list-resizing-active * {
   margin-right: 0 !important;
   /* Ensure proper display */
   display: inline-block !important;
+  /* Ensure it's clickable and shows proper cursor */
+  cursor: move !important;
+  pointer-events: auto !important;
+  /* Add some padding for better clickability */
+  padding: 4px !important;
 }
 
 /* Ensure buttons maintain original positioning */

client/components/lists/list.js

@@ -150,26 +150,13 @@ BlazeComponent.extendComponent({
     });
 
     this.autorun(() => {
-      if (Utils.isTouchScreenOrShowDesktopDragHandles()) {
-        $cards.sortable({
-          handle: '.handle',
-        });
-      } else {
-        $cards.sortable({
-          handle: '.minicard',
-          // Prevent sortable from interfering with file drag and drop
-          start: function(event, ui) {
-            // Check if this is a file drag operation
-            const dataTransfer = event.originalEvent?.dataTransfer;
-            if (dataTransfer && dataTransfer.types && dataTransfer.types.includes('Files')) {
-              // Cancel sortable for file drags
-              return false;
-            }
-          },
-        });
-      }
-
       if ($cards.data('uiSortable') || $cards.data('sortable')) {
+        if (Utils.isTouchScreenOrShowDesktopDragHandles()) {
+          $cards.sortable('option', 'handle', '.handle');
+        } else {
+          $cards.sortable('option', 'handle', '.minicard');
+        }
+
         $cards.sortable(
           'option',
           'disabled',

client/components/lists/listHeader.jade

@@ -70,9 +70,9 @@ template(name="listHeader")
                   | ⬅️
                   | ➡️
                 a.js-open-list-menu(title="{{_ 'listActionPopup-title'}}") | ☰
-            if currentUser.isBoardAdmin
-              if isTouchScreenOrShowDesktopDragHandles
-                a.list-header-handle.handle.js-list-handle | ↔️
+            if currentUser.isBoardMember
+              unless currentUser.isCommentOnly
+                a.list-header-handle.handle.js-list-handle | ↕️
 
 template(name="editListTitleForm")
   .list-composer