Populate Determination message from Detemination message template

Use Request's workflow message template for remaining workflows(other than request, concept and proposal)

Add 'External Reviewer' picklist option to the batch action

Update overridden users index view to support groups/[gid]/users/ view.

Add env variable to turn hijack/become feature on/off

Updated the sandbox db.

Update po and pot files.

Disable the file field block by setting max number restriction

Only list active users when querying for all reviewers, all staff etc.

Filter reviewer dashboard tables by ReviewerSettings

Update node packages. Update sass-loader options after update.

Add option to allow reviewers to only see submissions in external review status

Improve External reviewers label

Use trimmed on blocktrans

Enforce 2FA for all users: add env variable and middleware