Fix restart parsing of file name (backport of #2792 and #2793)#2815

andrew-platt merged 2 commits intoOpenFAST:rc-4.0.5OpenFAST/openfast:rc-4.0.5from

andrew-platt:bp/Backport_2792_cppRestartParseandrew-platt/openfast:bp/Backport_2792_cppRestartParseCopy head branch name to clipboard