reimplement shared formula import for xlsb, fdo#86734

Change-Id: Ic5d678a2b1197ce8d83b308b0a4387bf657052d5
OSL_ENSURE => SAL_WARN

Change-Id: I175701912a4cf0d9c661327a31e37a43902b1915
add test for fdo#86734

Change-Id: I1789f9a4ec2f1dec62ea0958bca03e5e2fcd1fc6