[perf] speedup login times for acceptance tests: use weak bcrypt params (#2801)

The overhead of password checks goes down from about 200ms to
 sub-millisecond times on a modern i7 processor (3.8GHz).
In my testing on server CPUs (2.4GHz) this goes down from 400ms to
 single digit ms.

GitOrigin-RevId: 895580fcbf1cde0bae5213ed6d8aae30c67fcfa3

services/web/config/settings.defaults.coffee

@@ -220,7 +220,7 @@ module.exports = settings =
 	# --------
 	security:
 		sessionSecret: sessionSecret
-		bcryptRounds: 12 # number of rounds used to hash user passwords (raised to power 2)
+		bcryptRounds: if process.env['NODE_ENV'] == 'test' then 1 else 12 # number of rounds used to hash user passwords (raised to power 2)
 
 	httpAuthUsers: httpAuthUsers