refactor(rundown): show locked duration group indicator

apps/client/src/features/rundown/rundown-group/RundownGroup.module.scss

@@ -82,6 +82,17 @@
   margin-right: 0.25rem;
   color: $ui-white;
 }
+
+.duration {
+  display: flex;
+  align-items: center;
+  gap: 0.25rem;
+}
+
+.lockIcon {
+  opacity: 0.6;
+}
+
 .over {
   color: $playback-over;
   .strike {

apps/client/src/features/rundown/rundown-group/RundownGroup.tsx

@@ -8,6 +8,7 @@ import {
   IoChevronUp,
   IoDuplicateOutline,
   IoFolderOpenOutline,
+  IoLockClosed,
   IoReorderTwo,
   IoTrash,
 } from 'react-icons/io5';
@@ -176,14 +177,17 @@ export default function RundownGroup({ data, hasCursor, collapsed, onCollapse }:
           </div>
           <div className={style.metaEntry}>
             <div className={style.metaLabel}>Duration</div>
+            <div className={style.duration}>
               {planOffset === null ? (
-              <div>{formatDuration(data.duration)}</div>
+                formatDuration(data.duration)
               ) : (
-              <div className={cx([planOffsetLabel && style[planOffsetLabel]])}>
+                <span className={cx([planOffsetLabel && style[planOffsetLabel]])}>
                   <span className={style.strike}>{formatDuration(data.duration)}</span>
                   <Tag className={style.offsetLabel}>{planOffset}</Tag>
-              </div>
+                </span>
               )}
+              {data.targetDuration !== null && <IoLockClosed className={style.lockIcon} />}
+            </div>
           </div>
         </div>
       </div>