Crash after tab in Offset Y of markers dropdown

Summary:

crashed when setting start marker offset as 0.5

Steps to reproduce:

  • edit "start marker" on a rectangle object
  • type "0.5" into "offset Y" field and press tab
  • it crashed

What happened?

...

What should have happened?

...

Sample attachments:

 0# boost::stacktrace::basic_stacktrace >::init(unsigned long long, unsigned long long) in libinkscape_base
 1# Inkscape::Application::crash_handler(int) in libinkscape_base
 2# 0x00007FF7630521B2 in inkscape
 3# _C_specific_handler in ntdll
 4# _chkstk in ntdll
 5# _RtlFindCharInUnicodeString in ntdll
 6# _KiUserExceptionDispatcher in ntdll
 7# _g_type_check_instance_is_fundamentally_a in libgobject_2_0_0
 8# _g_object_ref in libgobject_2_0_0
 9# _gtk_window_propagate_key_event in libgtk_3_0
10# _gtk_window_propagate_key_event in libgtk_3_0
11# Gtk::Widget::on_key_release_event(_GdkEventKey*) in libgtkmm_3_0_1
12# Gtk::Widget_Class::key_release_event_callback(_GtkWidget*, _GdkEventKey*) in libgtkmm_3_0_1
13# 0x00007FF833802FA4 in libgtk_3_0
14# _g_closure_invoke in libgobject_2_0_0
15# _g_param_spec_variant in libgobject_2_0_0
16# _g_signal_emit in libgobject_2_0_0
17# _gtk_requisition_copy in libgtk_3_0
18# _gtk_lock_button_set_permission in libgtk_3_0
19# _gtk_main_do_event in libgtk_3_0
20# _gdk_event_free in libgdk_3_0
21# _gdk_win32_drag_context_get_type in libgdk_3_0
22# _g_clear_list in libglib_2_0_0
23# _g_get_monotonic_time in libglib_2_0_0
24# _g_main_context_iteration in libglib_2_0_0
25# _g_application_run in libgio_2_0_0
26# 0x00007FF7630539AB in inkscape
27# 0x00007FF7630512EE in inkscape
28# 0x00007FF7630513E6 in inkscape
29# _BaseThreadInitThunk in KERNEL32
30# _RtlUserThreadStart in ntdll
System info Inkscape 1.3.2 (091e20ef, 2023-11-25, custom) 
GLib version:     2.78.1
GTK version:      3.24.39
glibmm version:   2.66.6
gtkmm version:    3.24.8
libxml2 version:  2.11.5
libxslt version:  1.1.38
Cairo version:    1.18.0
Pango version:    1.50.14
HarfBuzz version: 8.2.2

OS version:       Windows 11 22H2

Version info

Inkscape 1.3.2 (091e20e, 2023-11-25, custom)

    GLib version:     2.78.1
    GTK version:      3.24.39
    glibmm version:   2.66.6
    gtkmm version:    3.24.8
    libxml2 version:  2.11.5
    libxslt version:  1.1.38
    Cairo version:    1.18.0
    Pango version:    1.50.14
    HarfBuzz version: 8.2.2

    OS version:       Windows 11 22H2