fix Warning

qt6-after/qt6-migrated-legatus/Lts/Common/LtsTimeline/timeline_model.cpp

@@ -51,7 +51,10 @@ Track& TimelineModel::track(int id) noexcept(false)
     {
         if (id == m_rootTrack.id())
             return m_rootTrack;
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wdeprecated-declarations"  // model facade delegates to the deprecated root Track lookup
         return m_rootTrack.track(id);
+        #pragma GCC diagnostic pop
     }
 
     auto it = m_trackCache.find(id);
@@ -68,7 +71,10 @@ const Track& TimelineModel::track(int id) const noexcept(false)
     {
         if (id == m_rootTrack.id())
             return m_rootTrack;
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wdeprecated-declarations"  // model facade delegates to the deprecated root Track lookup
         return m_rootTrack.track(id);
+        #pragma GCC diagnostic pop
     }
 
     std::map<int, Track*>::const_iterator it = m_trackCache.find(id);
@@ -82,7 +88,10 @@ const Track& TimelineModel::track(int id) const noexcept(false)
 Item& TimelineModel::item(int id) noexcept(false)
 {
     if (!m_itemCaching)
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wdeprecated-declarations"  // model facade delegates to the deprecated root Track lookup
         return m_rootTrack.item(id);
+        #pragma GCC diagnostic pop
 
     auto it = m_itemCache.find(id);
 
@@ -95,7 +104,10 @@ Item& TimelineModel::item(int id) noexcept(false)
 const Item& TimelineModel::item(int id) const noexcept(false)
 {
     if (!m_itemCaching)
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wdeprecated-declarations"  // model facade delegates to the deprecated root Track lookup
         return m_rootTrack.item(id);
+        #pragma GCC diagnostic pop
 
     decltype(m_itemCache)::const_iterator it = m_itemCache.find(id);
 
@@ -132,7 +144,10 @@ bool TimelineModel::isItemsBetween(qint64 start, qint64 end, const QVector<int>&
 const QVector<int> TimelineModel::copyItemIdsBetween(qint64 start, qint64 end, bool strict, bool complete,
                                                      bool sorted) const
 {
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wdeprecated-declarations"  // model facade delegates to the deprecated root Track lookup
     return m_rootTrack.copyItemIdsBetween(start, end, strict, complete, true, sorted);
+    #pragma GCC diagnostic pop
 }
 
 bool TimelineModel::isItemsBetween(qint64 start, qint64 end, int ignoreId, bool strict, bool complete,