tdf#96353 make spell options dialog resizable

Change-Id: I2e9ef88d471f8fa379a03f7b6b95bf14ce172acb
Reviewed-on: https://gerrit.libreoffice.org/20499Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

cui/uiconfig/ui/spelloptionsdialog.ui

@@ -6,7 +6,6 @@
     <property name="can_focus">False</property>
     <property name="border_width">6</property>
     <property name="title" translatable="yes">Options</property>
-    <property name="resizable">False</property>
     <property name="type_hint">dialog</property>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox1">