fdo#45964 - Wrong behavior of words list in AutoCorrect > Word Completion

The MultiListBox control should be initialized with the SimpleMode attribute set to True.

Change-Id: I463f07530d5bbdc6d1f4a3789e039e4ce784aead
Reviewed-on: https://gerrit.libreoffice.org/1571Reviewed-by: Miklos Vajna <vmiklos@suse.cz>
Tested-by: Miklos Vajna <vmiklos@suse.cz>

cui/source/tabpages/autocdlg.src

@@ -797,6 +797,7 @@ TabPage RID_OFAPAGE_AUTOCOMPLETE_OPTIONS
         Group = TRUE;
         Border = TRUE;
         Sort = TRUE;
+        SimpleMode = TRUE;
     };
     PushButton PB_ENTRIES
     {