Fix S3 delete for non-empty directory markers (#8740)

* Fix S3 delete for non-empty directory markers

* Address review feedback on directory marker deletes

* Stabilize FUSE concurrent directory operations

weed/mount/weedfs_filehandle.go

@@ -23,6 +23,7 @@ func (wfs *WFS) AcquireHandle(inode uint64, flags, uid, gid uint32) (fileHandle
 		}
 		// need to AcquireFileHandle again to ensure correct handle counter
 		fileHandle = wfs.fhMap.AcquireFileHandle(wfs, inode, entry)
+		fileHandle.RememberPath(path)
 	}
 	return
 }