Fix the "recompute delay" check
Fix the "recompute delay" check

Since an unspecified value returns an empty string ("") and is not undefined.

e-mission/e-mission-phone,shankari/e-mission-phone,e-mission/e-mission-phone,shankari/e-mission-phone,shankari/e-mission-phone,shankari/e-mission-phone,e-mission/e-mission-phone,e-mission/e-mission-phone