handleThirdPartyImageRoomMessage fails on undefined path

[Limvot]

handleThirdPartyImageRoomMessage says that either of url, path, or buffer are fine to be passed in, but then calls isFilenameTagged(path), which I believe throws an exception when path is undefined, causing the image message not to be sent.

matrix-puppet-bridge/src/base.js

Line 644 in d5af7b9

else if (this.isTaggedMatrixMessage(text) || isFilenameTagged(path)) {