TMDM-7349: implementation of remove and re-add portlets and portal column switching logic
https://jira.talendforge.org/browse/TMDM-7349
remove redundant code
https://jira.talendforge.org/browse/TMDM-7349
TMDM-7349: add Domain Config section and some cosmetic improvements
TMDM-7349: fix a potential defact--mssing sending colum config to ActionPanel after all portlets initilized from scratch(no config info from cookies)