tdf#90333 Dictionaries Path Cannot Be Changed

PathSettings::impl_storePath wants to be able to nil the Dictionaries
path in the old copy of properties

Change-Id: Id579914cfa8b459efce962d304e2f9d6185bd55f
Reviewed-on: https://gerrit.libreoffice.org/64115
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
(cherry picked from commit f913bdf712b9e03506b1278e1142283af92125b1)
Reviewed-on: https://gerrit.libreoffice.org/64145
(cherry picked from commit ce7bb69f8205bcbe36cba4c53bd110e07ef3e05d)
Reviewed-on: https://gerrit.libreoffice.org/65088
Reviewed-by: Xisco Faulí <xiscofauli@libreoffice.org>
diff --git a/officecfg/registry/schema/org/openoffice/Office/Common.xcs b/officecfg/registry/schema/org/openoffice/Office/Common.xcs
index 3d73cc9..6b57294 100644
--- a/officecfg/registry/schema/org/openoffice/Office/Common.xcs
+++ b/officecfg/registry/schema/org/openoffice/Office/Common.xcs
@@ -1617,7 +1617,7 @@
          </info>
          <value>$(insturl)/@LIBO_SHARE_FOLDER@/config</value>
        </prop>
        <prop oor:name="Dictionary" oor:type="xs:string" oor:nillable="false">
        <prop oor:name="Dictionary" oor:type="xs:string">
          <info>
            <desc>Contains the provided dictionaries.</desc>
          </info>