Don't pass null keys to notes

[BajaGit]

check if key is null instead of passing it to notes and crashing hilariously?

XPagesToolkit/org.openntf.xpt.core/src/org/openntf/xpt/core/dss/AbstractStorageService.java

Line 181 in a18cb84

DocumentCollection documents = view.getAllDocumentsByKey(foreignId, true);