Changed in symlinked directories aren't being filtered on patterns

[Ashoat]

On macOS, with version 1.2.1:

ashoat@ashoatmbp2018 [~/Dropbox/src/squadcal/server]$ chokidar -s '**/*.THIS_SHOULD_NEVER_MATCH'
Watching "**/*.THIS_SHOULD_NEVER_MATCH" ..
change:node_modules/web/chat/chat-input-state-container.react.js
change:src/web/chat/chat-input-state-container.react.js
change:node_modules/web/chat/chat-input-state-container.react.js
change:src/web/chat/chat-input-state-container.react.js