hubot-rocketchat: doesn't work hubot extension named "hubot-reaction"

[ya7on]

Description:
Hubot extension named "hubot-reaction" that is contained in default value of EXTERNAL_SCRIPTS doesn't work in production.
Here is deafult value of EXTERNAL_SCRIPTS:

mmb/hubot-rocketchat/docker-entrypoint.sh

Line 19 in f9c4fd5

EXTERNAL_SCRIPTS=${EXTERNAL_SCRIPTS:="git:tolstoyevsky/hubot-happy-birthder,git:tolstoyevsky/hubot-help,git:tolstoyevsky/hubot-pugme,hubot-reaction,git:hubotio/hubot-redis-brain,hubot-thesimpsons,git:tolstoyevsky/hubot-vote-or-die"}

Bot shows command from this extension using hubot-help:

But when you use this command, bot doesn't respond.

Steps to reproduce:

1. Run hubot-rocketchat with default value of EXTERNAL_SCRIPTS environment variable;
2. Send command !reply tag to bot;
3. Watch bot respond.

Expected result:
Reaction image that is described in the README of this script.

Actual result:
There is no respond.

Proposed solution:
Remove this script from the default value of EXTERNAL_SCRIPTS.