fix(sidebar): add role=img so lock indicator is announced by AT

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/workflow-list/components/folder-item/folder-item.tsx

@@ -556,6 +556,7 @@ export function FolderItem({
             <div className='relative h-[18px] w-[18px] flex-shrink-0'>
               {folder.locked && (
                 <span
+                  role='img'
                   aria-label='Folder is locked'
                   className={clsx(
                     'pointer-events-none absolute inset-0 flex items-center justify-center transition-opacity',

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/workflow-list/components/workflow-item/workflow-item.tsx

@@ -475,6 +475,7 @@ export function WorkflowItem({
           <div className='relative h-[18px] w-[18px] flex-shrink-0'>
             {workflow.locked && (
               <span
+                role='img'
                 aria-label='Workflow is locked'
                 className={clsx(
                   'pointer-events-none absolute inset-0 flex items-center justify-center transition-opacity',