Respect Rails.env when running `rails yarn:install`
Respect Rails.env when running `rails yarn:install`

When no environment variables are set the expectation is that we are in
development.

Edouard-chin/rails,fabianoleittes/rails,rails/rails,jeremy/rails,EmmaB/rails-1,Envek/rails,rails/rails,schuetzm/rails,flanger001/rails,yalab/rails,tgxworld/rails,eileencodes/rails,starknx/rails,repinel/rails,BlakeWilliams/rails,yawboakye/rails,yahonda/rails,schuetzm/rails,notapatch/rails,georgeclaghorn/rails,lcreid/rails,notapatch/rails,repinel/rails,Edouard-chin/rails,tjschuck/rails,yawboakye/rails,utilum/rails,iainbeeston/rails,vipulnsward/rails,kddeisz/rails,rails/rails,palkan/rails,yalab/rails,repinel/rails,bogdanvlviv/rails,kmcphillips/rails,prathamesh-sonpatki/rails,esparta/rails,joonyou/rails,yhirano55/rails,gauravtiwari/rails,jeremy/rails,Erol/rails,Edouard-chin/rails,Stellenticket/rails,Envek/rails,yahonda/rails,joonyou/rails,arunagw/rails,rafaelfranca/omg-rails,yalab/rails,kddeisz/rails,EmmaB/rails-1,iainbeeston/rails,palkan/rails,lcreid/rails,iainbeeston/rails,tgxworld/rails,Erol/rails,arunagw/rails,georgeclaghorn/rails,arunagw/rails,esparta/rails,prathamesh-sonpatki/rails,MSP-Greg/rails,joonyou/rails,fabianoleittes/rails,eileencodes/rails,kmcphillips/rails,yhirano55/rails,lcreid/rails,Stellenticket/rails,notapatch/rails,shioyama/rails,mechanicles/rails,Vasfed/rails,iainbeeston/rails,MSP-Greg/rails,fabianoleittes/rails,mechanicles/rails,Vasfed/rails,utilum/rails,BlakeWilliams/rails,repinel/rails,Stellenticket/rails,yawboakye/rails,eileencodes/rails,kmcphillips/rails,Vasfed/rails,EmmaB/rails-1,tjschuck/rails,Envek/rails,shioyama/rails,schuetzm/rails,rafaelfranca/omg-rails,esparta/rails,prathamesh-sonpatki/rails,Vasfed/rails,arunagw/rails,esparta/rails,palkan/rails,flanger001/rails,yawboakye/rails,Edouard-chin/rails,tgxworld/rails,utilum/rails,betesh/rails,eileencodes/rails,Stellenticket/rails,bogdanvlviv/rails,rails/rails,fabianoleittes/rails,vipulnsward/rails,bogdanvlviv/rails,flanger001/rails,lcreid/rails,notapatch/rails,mechanicles/rails,yahonda/rails,kddeisz/rails,shioyama/rails,utilum/rails,tjschuck/rails,flanger001/rails,schuetzm/rails,starknx/rails,MSP-Greg/rails,rafaelfranca/omg-rails,kddeisz/rails,joonyou/rails,gauravtiwari/rails,yahonda/rails,georgeclaghorn/rails,BlakeWilliams/rails,yhirano55/rails,MSP-Greg/rails,yhirano55/rails,starknx/rails,kmcphillips/rails,tgxworld/rails,mechanicles/rails,BlakeWilliams/rails,betesh/rails,prathamesh-sonpatki/rails,jeremy/rails,gauravtiwari/rails,vipulnsward/rails,jeremy/rails,Erol/rails,shioyama/rails,Envek/rails,vipulnsward/rails,palkan/rails,betesh/rails,bogdanvlviv/rails,betesh/rails,Erol/rails,yalab/rails,georgeclaghorn/rails,tjschuck/rails