update translations for 7-4/master

and force-fix errors using pocheck

Change-Id: Ie4a055202e93e4ac5563df42235db5cf2b1c2b16

source/vec/cui/messages.po

@@ -3,7 +3,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: https://bugs.libreoffice.org/enter_bug.cgi?product=LibreOffice&bug_status=UNCONFIRMED&component=UI\n"
-"POT-Creation-Date: 2022-07-06 20:18+0200\n"
+"POT-Creation-Date: 2022-07-08 12:15+0200\n"
 "PO-Revision-Date: 2021-04-03 14:37+0000\n"
 "Last-Translator: projetolovec <projetolovec@gmail.com>\n"
 "Language-Team: Venetian <https://translations.documentfoundation.org/projects/libo_ui-master/cuimessages/vec/>\n"
@@ -5267,8 +5267,20 @@ msgctxt "areatabpage|extended_tip|btnhatch"
 msgid "Fills the object with a hatching pattern selected on this page."
 msgstr ""
 
+#. Tap6L
+#: cui/uiconfig/ui/areatabpage.ui:160
+msgctxt "areatabpage|btnusebackground"
+msgid "Use Background"
+msgstr ""
+
+#. BEBkY
+#: cui/uiconfig/ui/areatabpage.ui:166
+msgctxt "areatabpage|extended_tip|btnusebackground"
+msgid "Displays the underlying slide background."
+msgstr ""
+
 #. TFDzi
-#: cui/uiconfig/ui/areatabpage.ui:202
+#: cui/uiconfig/ui/areatabpage.ui:220
 msgctxt "areatabpage|extended_tip|AreaTabPage"
 msgid "Set the fill options for the selected drawing object or document element."
 msgstr ""