Resolves: tdf#129025 options dialog should be modal

Change-Id: I57c0887aaccbde2424b856d2b0d20ac7c00e8172
Reviewed-on: https://gerrit.libreoffice.org/83737
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/cui/uiconfig/ui/optionsdialog.ui b/cui/uiconfig/ui/optionsdialog.ui
index b96ec45..87381b2 100644
--- a/cui/uiconfig/ui/optionsdialog.ui
+++ b/cui/uiconfig/ui/optionsdialog.ui
@@ -16,6 +16,7 @@
    <property name="vexpand">True</property>
    <property name="border_width">6</property>
    <property name="title" translatable="yes" context="optionsdialog|OptionsDialog">Options</property>
    <property name="modal">True</property>
    <property name="type_hint">dialog</property>
    <child>
      <placeholder/>