MainWindow: save state after toggling split out

src/vmainwindow.cpp

@@ -3465,6 +3465,8 @@ void VMainWindow::splitFileListOut(bool p_enabled)
     g_config->setEnableSplitFileList(p_enabled);
 
     setupFileListSplitOut(p_enabled);
+
+    g_config->setNotebookSplitterState(m_nbSplitter->saveState());
 }
 
 void VMainWindow::setupFileListSplitOut(bool p_enabled)

src/vtagexplorer.cpp

@@ -81,6 +81,7 @@ void VTagExplorer::setupUI()
             this, [this](bool p_checked) {
                 g_config->setEnableSplitTagFileList(p_checked);
                 setupFileListSplitOut(p_checked);
+                saveStateAndGeometry();
             });
 
     QHBoxLayout *titleLayout = new QHBoxLayout();