Crash when searching in the layers panel
#### Summary: In this particular file, when I search for anything in the layers panel, Inkscape crashes. #### Steps to reproduce: - Open Inkscape - Open sample file - Open layers panel - Search something in the search field #### What happened? - Inkscape crashes after typing the first character (in my case, "r") #### What should have happened? - Layers list should be filtered according to the searched term Sample attachments: ![Dash-Inkscape-Icons15.svg](/uploads/2c0ef08b66bd122b8871f93796c15114/Dash-Inkscape-Icons15.svg){width=329 height=600} #### Version info <pre> 0# Inkscape::Application::crash_handler(int) in /Applications/Inkscape.app/Contents/Frameworks/inkscape/libinkscape_base.1.5.0.0.dylib 1# _sigtramp in /usr/lib/system/libsystem_platform.dylib 2# Inkscape::UI::Dialog::ObjectsPanel::showChildInTree(SPItem*) in /Applications/Inkscape.app/Contents/Frameworks/inkscape/libinkscape_base.1.5.0.0.dylib 3# Inkscape::UI::Dialog::ObjectsPanel::showChildInTree(SPItem*) in /Applications/Inkscape.app/Contents/Frameworks/inkscape/libinkscape_base.1.5.0.0.dylib 4# Inkscape::UI::Dialog::ObjectWatcher::addChild(SPItem*, bool) in /Applications/Inkscape.app/Contents/Frameworks/inkscape/libinkscape_base.1.5.0.0.dylib 5# Inkscape::UI::Dialog::ObjectWatcher::ObjectWatcher(Inkscape::UI::Dialog::ObjectsPanel*, SPItem*, Gtk::TreeRow*, bool) in /Applications/Inkscape.app/Contents/Frameworks/inkscape/libinkscape_base.1.5.0.0.dylib 6# Inkscape::UI::Dialog::ObjectWatcher::addChild(SPItem*, bool) in /Applications/Inkscape.app/Contents/Frameworks/inkscape/libinkscape_base.1.5.0.0.dylib 7# Inkscape::UI::Dialog::ObjectWatcher::ObjectWatcher(Inkscape::UI::Dialog::ObjectsPanel*, SPItem*, Gtk::TreeRow*, bool) in /Applications/Inkscape.app/Contents/Frameworks/inkscape/libinkscape_base.1.5.0.0.dylib 8# Inkscape::UI::Dialog::ObjectsPanel::setRootWatcher() in /Applications/Inkscape.app/Contents/Frameworks/inkscape/libinkscape_base.1.5.0.0.dylib 9# (anonymous namespace)::SignalProxyNormal_slot0_void_callback(_GObject*, void*) in /Applications/Inkscape.app/Contents/Frameworks/libglibmm-2.68.1.dylib 10# _g_closure_invoke_va in /Applications/Inkscape.app/Contents/Frameworks/libgobject-2.0.0.dylib 11# signal_emit_valist_unlocked in /Applications/Inkscape.app/Contents/Frameworks/libgobject-2.0.0.dylib 12# g_signal_emit in /Applications/Inkscape.app/Contents/Frameworks/libgobject-2.0.0.dylib 13# gtk_search_entry_changed_timeout_cb in /Applications/Inkscape.app/Contents/Frameworks/libgtk-4.1.dylib 14# g_timeout_dispatch in /Applications/Inkscape.app/Contents/Frameworks/libglib-2.0.0.dylib 15# g_main_context_dispatch_unlocked in /Applications/Inkscape.app/Contents/Frameworks/libglib-2.0.0.dylib 16# g_main_context_iterate_unlocked in /Applications/Inkscape.app/Contents/Frameworks/libglib-2.0.0.dylib 17# g_main_context_iteration in /Applications/Inkscape.app/Contents/Frameworks/libglib-2.0.0.dylib 18# g_application_run in /Applications/Inkscape.app/Contents/Frameworks/libgio-2.0.0.dylib 19# main in /Applications/Inkscape.app/Contents/MacOS/Inkscape </pre> <details><summary>System info</summary> Inkscape 1.5-dev (81a8d32, 2025-12-07) Compile (Run) GLib version: 2.83.4 GTK version: 4.20.2 (4.20.2) glibmm version: 2.83.1 gtkmm version: 4.20.0 libxml2 version: 2.11.5 libxslt version: 1.1.35 Cairo version: 1.18.2 (1.18.2) Pango version: 1.56.1 (1.56.1) HarfBuzz version: 10.2.0 (10.2.0) Poppler version: 24.02.0 OS version: macOS 15.5 (24F74) arm64 </details>
issue