tdf#131346 Fix SvTreeListBox::NextSearchEntry

...so QuickSearch doesn't continous loop

Change-Id: I9cb93517ba8c9ec961e56e8c162304c83c99d08b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/90513
Tested-by: Jenkins
Reviewed-by: Jim Raykowski <raykowj@gmail.com>
diff --git a/vcl/source/treelist/treelistbox.cxx b/vcl/source/treelist/treelistbox.cxx
index b4f73db..3f62764 100644
--- a/vcl/source/treelist/treelistbox.cxx
+++ b/vcl/source/treelist/treelistbox.cxx
@@ -967,7 +967,11 @@
        &&  !IsExpanded( pEntry )
        )
    {
        pEntry = pEntry->NextSibling();
        SvTreeListEntry* pNextSiblingEntry = pEntry->NextSibling();
        if ( !pNextSiblingEntry )
            pEntry = Next( pEntry );
        else
            pEntry = pNextSiblingEntry;
    }
    else
    {