Revert "remove agentfeatures from entity filtering"

This reverts commit 6c08b9a82108f4cca3f4626ab93bfe8f3c5d4c5c.
add entity_filter for agent
add entity column in user list page
add entity column in admin list page
add entity column in line list page
add entity column in group list page
add entity column in voicemail list page
add entity column in meetme list page
add entity column in incall list page
add entity column in queue list page
add entity_filter for callfilter
add entity_filter for callpickup
add entity_filter for schedule
Revert "add entity_filter for agent"

This reverts commit 771939665713051542a124d2975266d73de602e1.

reason: already done in fe193269ad2e8b729eb22532eab84cb2c7518fdb
fix undefined index
add entity column in agent list
Merge branch 'entity_filter_next'