Bug 1389: File masks with time constraints do not work with remote WebDAV files

https://winscp.net/tracker/1389

Source commit: 04d40481efe92c405029db494219d40a7ebe9ec8

source/core/WebDAVFileSystem.cpp

@@ -1932,6 +1932,7 @@ void __fastcall TWebDAVFileSystem::Sink(const UnicodeString FileName,
   DebugAssert(File);
   TFileMasks::TParams MaskParams;
   MaskParams.Size = File->Size;
+  MaskParams.Modification = File->Modification;
 
   UnicodeString BaseFileName = FTerminal->GetBaseFileName(FileName);
   if (!CopyParam->AllowTransfer(BaseFileName, osRemote, File->IsDirectory, MaskParams))