[INTERNAL] m.SwitchRenderer: adds IDs suffixes to descendant elements

- Adds ids suffixes to avoid searches through descendant elements

Change-Id: I972c99d8929e2425cc6075bf0d29ac881d07abe6
[INTERNAL][FIX] P13nColumnsPanel : bug fix's

- fixes happend in addTableItem and insertTableItem
- unit test adaption

Change-Id: Ie3b01fe946372007d09b8d0157967b4b45bd735d
Merge "[INTERNAL][FIX] P13nColumnsPanel : bug fix's"