[TECHNICAL SUPPORT] LPS-39628 parameterValue not checked in ConvertDocumentLibrary

Hi Alexander,

Could you check my pull request?

This is the reference for the original one (before rebasing):
https://github.com/moltam89/liferay-portal/commit/36a4d3f43dfb0fcea1603d07c5c88f2427fa8039

@sergiogonzalez told me to send this PR to you.

Thank you in advance

cc: @moltam89, @zsigmondrab