Description:

When I try to create new public channel, it is failed and shows this error message on consoel.

Server Setup Information:

• Version of Rocket.Chat Server: 0.60.0-develop
• Operating System: Ubuntu 16.04
• Deployment Method(snap/docker/tar/etc):
• Number of Running Instances:
• DB Replicaset Oplog:
• Node Version: 4.6

Steps to Reproduce:

1. Press '+' button which is in right side of left sidebar's search box
2. deselect 'private channel' and create new channel
3. after that, click channel link on leftside, then there will show errors and fail.

Expected behavior:

needs to create new channel successfully

Actual behavior:

room.js:259 Uncaught TypeError: instance.sendToBottomIfNecessary is not a function
at Object.onResize (room.js:259)
at HTMLTextAreaElement. (messageBox.js:474)
at HTMLTextAreaElement.dispatch (modules.js?hash=b705a6f…:70103)
at HTMLTextAreaElement.elemData.handle (modules.js?hash=b705a6f…:69911)
at Object.trigger (modules.js?hash=b705a6f…:73098)
at HTMLTextAreaElement. (modules.js?hash=b705a6f…:73166)
at Function.each (modules.js?hash=b705a6f…:65259)
at jQuery.fn.init.each (modules.js?hash=b705a6f…:65054)
at jQuery.fn.init.trigger (modules.js?hash=b705a6f…:73165)
at HTMLTextAreaElement.update [as updateAutogrow] (textarea-autogrow.js:82)

Relevant logs: